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Did the Allies reverse the threads on secret microfilm-hiding buttons to thwart the Germans?
Did the USSR have 21 thousand tanks at the beginning of WW2?Did the USSR have better tanks than Germany in WW2?Did Jews claim to be asians to Imperial Japan?Were the Soviet Union and Nazi Germany de facto allies in September 1939?Did the Germans invent Radar first?Did the “Russian Sleep Experiment” happen?Did Germans receive corn instead of wheat and rye after WW2 due to a translation error?Was the KGB using leftists to “destabilize” nations?Did 57% of people in France believe that the USSR contributed the most to the defeat of Nazi Germany in 1945?
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margin-bottom:0;
.everyonelovesstackoverflowposition:absolute;height:1px;width:1px;opacity:0;top:0;left:0;pointer-events:none;
Here is an anecdote that I recall reading as a child:
During World War II, the English found a way to smuggle microfilm past the German authorities. They sewed a hollow button to their jackets that could be unscrewed to reveal a tiny, secret compartment. Eventually, the Germans found out about this hiding spot, so the English came up with a new trick. They reversed the thread, so the Germans couldn't work out how to open the buttons.
Now, even as a child, I found this startling. Imagine risking your freedom based on whether a German guard slavishly followed "Lefty Loosy, Righty Tighty". As an adult, colour me skeptical.
So, my question is: Did this really happen?
But wait, where's the notability reference? Well, I am moderately sure I read this in "Great Imposters" (sic) by George Sullivan, but I no longer have access to the book. (Anyone?)
A more modern example of the claim comes from a 2013 Car Talk episode:
RAY: There were a lot of things they could have done. They could have applied some adhesive making them difficult to turn or they could have put some kind of a locking pin. But what they thought of was even better. They made the threads.
TOM: Left hand thread.
RAY: Exactly. So when the Germans twisted the buttons, they in fact didn't come off, they got tighter. And after they failed in a few attempts, they gave up on it because they just figured out, they're not using that trick anymore.
Their version says "Allies", rather than English, and I am nervous about relying on my memory on this point.
world-war-ii espionage
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
add a comment
|
Here is an anecdote that I recall reading as a child:
During World War II, the English found a way to smuggle microfilm past the German authorities. They sewed a hollow button to their jackets that could be unscrewed to reveal a tiny, secret compartment. Eventually, the Germans found out about this hiding spot, so the English came up with a new trick. They reversed the thread, so the Germans couldn't work out how to open the buttons.
Now, even as a child, I found this startling. Imagine risking your freedom based on whether a German guard slavishly followed "Lefty Loosy, Righty Tighty". As an adult, colour me skeptical.
So, my question is: Did this really happen?
But wait, where's the notability reference? Well, I am moderately sure I read this in "Great Imposters" (sic) by George Sullivan, but I no longer have access to the book. (Anyone?)
A more modern example of the claim comes from a 2013 Car Talk episode:
RAY: There were a lot of things they could have done. They could have applied some adhesive making them difficult to turn or they could have put some kind of a locking pin. But what they thought of was even better. They made the threads.
TOM: Left hand thread.
RAY: Exactly. So when the Germans twisted the buttons, they in fact didn't come off, they got tighter. And after they failed in a few attempts, they gave up on it because they just figured out, they're not using that trick anymore.
Their version says "Allies", rather than English, and I am nervous about relying on my memory on this point.
world-war-ii espionage
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
2
Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04
add a comment
|
Here is an anecdote that I recall reading as a child:
During World War II, the English found a way to smuggle microfilm past the German authorities. They sewed a hollow button to their jackets that could be unscrewed to reveal a tiny, secret compartment. Eventually, the Germans found out about this hiding spot, so the English came up with a new trick. They reversed the thread, so the Germans couldn't work out how to open the buttons.
Now, even as a child, I found this startling. Imagine risking your freedom based on whether a German guard slavishly followed "Lefty Loosy, Righty Tighty". As an adult, colour me skeptical.
So, my question is: Did this really happen?
But wait, where's the notability reference? Well, I am moderately sure I read this in "Great Imposters" (sic) by George Sullivan, but I no longer have access to the book. (Anyone?)
A more modern example of the claim comes from a 2013 Car Talk episode:
RAY: There were a lot of things they could have done. They could have applied some adhesive making them difficult to turn or they could have put some kind of a locking pin. But what they thought of was even better. They made the threads.
TOM: Left hand thread.
RAY: Exactly. So when the Germans twisted the buttons, they in fact didn't come off, they got tighter. And after they failed in a few attempts, they gave up on it because they just figured out, they're not using that trick anymore.
Their version says "Allies", rather than English, and I am nervous about relying on my memory on this point.
world-war-ii espionage
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
Here is an anecdote that I recall reading as a child:
During World War II, the English found a way to smuggle microfilm past the German authorities. They sewed a hollow button to their jackets that could be unscrewed to reveal a tiny, secret compartment. Eventually, the Germans found out about this hiding spot, so the English came up with a new trick. They reversed the thread, so the Germans couldn't work out how to open the buttons.
Now, even as a child, I found this startling. Imagine risking your freedom based on whether a German guard slavishly followed "Lefty Loosy, Righty Tighty". As an adult, colour me skeptical.
So, my question is: Did this really happen?
But wait, where's the notability reference? Well, I am moderately sure I read this in "Great Imposters" (sic) by George Sullivan, but I no longer have access to the book. (Anyone?)
A more modern example of the claim comes from a 2013 Car Talk episode:
RAY: There were a lot of things they could have done. They could have applied some adhesive making them difficult to turn or they could have put some kind of a locking pin. But what they thought of was even better. They made the threads.
TOM: Left hand thread.
RAY: Exactly. So when the Germans twisted the buttons, they in fact didn't come off, they got tighter. And after they failed in a few attempts, they gave up on it because they just figured out, they're not using that trick anymore.
Their version says "Allies", rather than English, and I am nervous about relying on my memory on this point.
world-war-ii espionage
world-war-ii espionage
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
asked Oct 16 at 12:26
Oddthinking♦Oddthinking
113k36 gold badges446 silver badges548 bronze badges
113k36 gold badges446 silver badges548 bronze badges
2
Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04
add a comment
|
2
Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04
2
2
Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04
Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04
add a comment
|
2 Answers
2
active
oldest
votes
This claim appears to have been distorted from an original about hidden compasses, not microfilm. The compass version has been confirmed by the British Military intelligence officer responsible, Christopher "Clutty" Hutton.
According to Secret Britain: The Hidden Bits of Our History (2009):
When the Germans cottoned onto this, Clutty simply reversed the screw thread so that guards trying to unscrew buttons actually tightened them instead.
See also Official Secret: The Remarkable Story Of Escape Aids (1960) which is written in first person by Hutton himself:
In case I have inadvertently left the reader with the impression that our enemies were either stupid or blind, I should like to state quite categorically that those Germans who were responsible for running the prisoner-of-war camps were intelligent, shrewd and painstaking men, and that in time they intercepted nearly all of my various gadgets. The point was that each new device served its turn for a while and was of considerable benefit to escapers, but once it was 'blown', we either modified it or abandoned it altogether. When the camp searchers hit on the secret of our button compass, for example, we fooled them for an additional period by manufacturing it with a left-hand thread.
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
|
show 13 more comments
I also read almost exactly this as a child, circa 50 years ago, in Of Spies and Stratagems (1963) by Stanley P Lovell, who was the head of the US's Office of Strategic Services R&D division:
CAMOUFLAGE
As the number of secret agents sent into enemy lands by the O.S.S. increased, the invention and production of camouflaged items became an important activity. Disguised articles and concealed receptacles to keep messages secure from
enemy inspectors, [...]
Buttons on clothing were a favorite camouflage container. The top and base of the button were separated and a surprisingly commodious space was hollowed out. At first the top of the button was made to unscrew by turning to the left that is, counterclockwise. But the Germans soon found out about it, and all buttons on a suspected person's clothing were stoutly tested by turning them that way. If any one opened up, the Gestapo needed no further evidence to convict the spy.
We were about to abandon the item when one of my group suggested reversing the thread, so that twisting or turning to the left only served to tighten the assembly. Right up to Germany's surrender we never learned of one instance of this simplest of deceptions being discovered by enemy inspectors or police.
This mentions spies, messages (though not microfilm ) & Americans (though not the Allies specifically).
You can find this quote in Google Books. (I also just found a pdf online.)
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
add a comment
|
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
This claim appears to have been distorted from an original about hidden compasses, not microfilm. The compass version has been confirmed by the British Military intelligence officer responsible, Christopher "Clutty" Hutton.
According to Secret Britain: The Hidden Bits of Our History (2009):
When the Germans cottoned onto this, Clutty simply reversed the screw thread so that guards trying to unscrew buttons actually tightened them instead.
See also Official Secret: The Remarkable Story Of Escape Aids (1960) which is written in first person by Hutton himself:
In case I have inadvertently left the reader with the impression that our enemies were either stupid or blind, I should like to state quite categorically that those Germans who were responsible for running the prisoner-of-war camps were intelligent, shrewd and painstaking men, and that in time they intercepted nearly all of my various gadgets. The point was that each new device served its turn for a while and was of considerable benefit to escapers, but once it was 'blown', we either modified it or abandoned it altogether. When the camp searchers hit on the secret of our button compass, for example, we fooled them for an additional period by manufacturing it with a left-hand thread.
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
|
show 13 more comments
This claim appears to have been distorted from an original about hidden compasses, not microfilm. The compass version has been confirmed by the British Military intelligence officer responsible, Christopher "Clutty" Hutton.
According to Secret Britain: The Hidden Bits of Our History (2009):
When the Germans cottoned onto this, Clutty simply reversed the screw thread so that guards trying to unscrew buttons actually tightened them instead.
See also Official Secret: The Remarkable Story Of Escape Aids (1960) which is written in first person by Hutton himself:
In case I have inadvertently left the reader with the impression that our enemies were either stupid or blind, I should like to state quite categorically that those Germans who were responsible for running the prisoner-of-war camps were intelligent, shrewd and painstaking men, and that in time they intercepted nearly all of my various gadgets. The point was that each new device served its turn for a while and was of considerable benefit to escapers, but once it was 'blown', we either modified it or abandoned it altogether. When the camp searchers hit on the secret of our button compass, for example, we fooled them for an additional period by manufacturing it with a left-hand thread.
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
|
show 13 more comments
This claim appears to have been distorted from an original about hidden compasses, not microfilm. The compass version has been confirmed by the British Military intelligence officer responsible, Christopher "Clutty" Hutton.
According to Secret Britain: The Hidden Bits of Our History (2009):
When the Germans cottoned onto this, Clutty simply reversed the screw thread so that guards trying to unscrew buttons actually tightened them instead.
See also Official Secret: The Remarkable Story Of Escape Aids (1960) which is written in first person by Hutton himself:
In case I have inadvertently left the reader with the impression that our enemies were either stupid or blind, I should like to state quite categorically that those Germans who were responsible for running the prisoner-of-war camps were intelligent, shrewd and painstaking men, and that in time they intercepted nearly all of my various gadgets. The point was that each new device served its turn for a while and was of considerable benefit to escapers, but once it was 'blown', we either modified it or abandoned it altogether. When the camp searchers hit on the secret of our button compass, for example, we fooled them for an additional period by manufacturing it with a left-hand thread.
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
This claim appears to have been distorted from an original about hidden compasses, not microfilm. The compass version has been confirmed by the British Military intelligence officer responsible, Christopher "Clutty" Hutton.
According to Secret Britain: The Hidden Bits of Our History (2009):
When the Germans cottoned onto this, Clutty simply reversed the screw thread so that guards trying to unscrew buttons actually tightened them instead.
See also Official Secret: The Remarkable Story Of Escape Aids (1960) which is written in first person by Hutton himself:
In case I have inadvertently left the reader with the impression that our enemies were either stupid or blind, I should like to state quite categorically that those Germans who were responsible for running the prisoner-of-war camps were intelligent, shrewd and painstaking men, and that in time they intercepted nearly all of my various gadgets. The point was that each new device served its turn for a while and was of considerable benefit to escapers, but once it was 'blown', we either modified it or abandoned it altogether. When the camp searchers hit on the secret of our button compass, for example, we fooled them for an additional period by manufacturing it with a left-hand thread.
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
edited Oct 17 at 14:16
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
answered Oct 16 at 12:38
DavePhDDavePhD
85.4k19 gold badges356 silver badges381 bronze badges
85.4k19 gold badges356 silver badges381 bronze badges
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
|
show 13 more comments
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
24
24
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
I note that the context neatly addresses my concern. These compasses aren't for Allied spies worried about blowing their cover. These are for Allied Prisoners of War to help them with escape attempts. They have already lost their freedom.
– Oddthinking♦
Oct 16 at 13:03
25
25
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
@DarrelHoffman the point of a POW having a hidden compass was to enable them to navigate inconspicuously through enemy territory if they managed to escape: tricks with puddles would only work if the Germans mistook it for a science fair project.
– Tom Goodfellow
Oct 16 at 21:15
27
27
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
@DarrelHoffman The rules at the time though were that they stayed in uniform. And if you're in the middle of a war and having problems equipping your own troops in Russia, you don't want to waste valuable resources providing extra clothes for PoWs.
– Graham
Oct 16 at 23:40
17
17
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
@vsz - Wouldn't the point be that the screws are hidden and you don't know if it's a regular button or not without twisting? In that case I can see this working, because you're not going to waste time trying to tug every button in every way possible.
– Vilx-
Oct 17 at 7:54
7
7
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
@vsz not to mention, by twisting the "intuitive" direction first, they've just tightened it, so that "extra second" trying to twist the other way might not be enough to torque it loose from its extra-tightened position.
– Doktor J
Oct 17 at 15:07
|
show 13 more comments
I also read almost exactly this as a child, circa 50 years ago, in Of Spies and Stratagems (1963) by Stanley P Lovell, who was the head of the US's Office of Strategic Services R&D division:
CAMOUFLAGE
As the number of secret agents sent into enemy lands by the O.S.S. increased, the invention and production of camouflaged items became an important activity. Disguised articles and concealed receptacles to keep messages secure from
enemy inspectors, [...]
Buttons on clothing were a favorite camouflage container. The top and base of the button were separated and a surprisingly commodious space was hollowed out. At first the top of the button was made to unscrew by turning to the left that is, counterclockwise. But the Germans soon found out about it, and all buttons on a suspected person's clothing were stoutly tested by turning them that way. If any one opened up, the Gestapo needed no further evidence to convict the spy.
We were about to abandon the item when one of my group suggested reversing the thread, so that twisting or turning to the left only served to tighten the assembly. Right up to Germany's surrender we never learned of one instance of this simplest of deceptions being discovered by enemy inspectors or police.
This mentions spies, messages (though not microfilm ) & Americans (though not the Allies specifically).
You can find this quote in Google Books. (I also just found a pdf online.)
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
add a comment
|
I also read almost exactly this as a child, circa 50 years ago, in Of Spies and Stratagems (1963) by Stanley P Lovell, who was the head of the US's Office of Strategic Services R&D division:
CAMOUFLAGE
As the number of secret agents sent into enemy lands by the O.S.S. increased, the invention and production of camouflaged items became an important activity. Disguised articles and concealed receptacles to keep messages secure from
enemy inspectors, [...]
Buttons on clothing were a favorite camouflage container. The top and base of the button were separated and a surprisingly commodious space was hollowed out. At first the top of the button was made to unscrew by turning to the left that is, counterclockwise. But the Germans soon found out about it, and all buttons on a suspected person's clothing were stoutly tested by turning them that way. If any one opened up, the Gestapo needed no further evidence to convict the spy.
We were about to abandon the item when one of my group suggested reversing the thread, so that twisting or turning to the left only served to tighten the assembly. Right up to Germany's surrender we never learned of one instance of this simplest of deceptions being discovered by enemy inspectors or police.
This mentions spies, messages (though not microfilm ) & Americans (though not the Allies specifically).
You can find this quote in Google Books. (I also just found a pdf online.)
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
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I also read almost exactly this as a child, circa 50 years ago, in Of Spies and Stratagems (1963) by Stanley P Lovell, who was the head of the US's Office of Strategic Services R&D division:
CAMOUFLAGE
As the number of secret agents sent into enemy lands by the O.S.S. increased, the invention and production of camouflaged items became an important activity. Disguised articles and concealed receptacles to keep messages secure from
enemy inspectors, [...]
Buttons on clothing were a favorite camouflage container. The top and base of the button were separated and a surprisingly commodious space was hollowed out. At first the top of the button was made to unscrew by turning to the left that is, counterclockwise. But the Germans soon found out about it, and all buttons on a suspected person's clothing were stoutly tested by turning them that way. If any one opened up, the Gestapo needed no further evidence to convict the spy.
We were about to abandon the item when one of my group suggested reversing the thread, so that twisting or turning to the left only served to tighten the assembly. Right up to Germany's surrender we never learned of one instance of this simplest of deceptions being discovered by enemy inspectors or police.
This mentions spies, messages (though not microfilm ) & Americans (though not the Allies specifically).
You can find this quote in Google Books. (I also just found a pdf online.)
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
I also read almost exactly this as a child, circa 50 years ago, in Of Spies and Stratagems (1963) by Stanley P Lovell, who was the head of the US's Office of Strategic Services R&D division:
CAMOUFLAGE
As the number of secret agents sent into enemy lands by the O.S.S. increased, the invention and production of camouflaged items became an important activity. Disguised articles and concealed receptacles to keep messages secure from
enemy inspectors, [...]
Buttons on clothing were a favorite camouflage container. The top and base of the button were separated and a surprisingly commodious space was hollowed out. At first the top of the button was made to unscrew by turning to the left that is, counterclockwise. But the Germans soon found out about it, and all buttons on a suspected person's clothing were stoutly tested by turning them that way. If any one opened up, the Gestapo needed no further evidence to convict the spy.
We were about to abandon the item when one of my group suggested reversing the thread, so that twisting or turning to the left only served to tighten the assembly. Right up to Germany's surrender we never learned of one instance of this simplest of deceptions being discovered by enemy inspectors or police.
This mentions spies, messages (though not microfilm ) & Americans (though not the Allies specifically).
You can find this quote in Google Books. (I also just found a pdf online.)
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
edited Oct 17 at 16:24
CGCampbell
1033 bronze badges
1033 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
answered Oct 17 at 4:02
philipxyphilipxy
3811 silver badge4 bronze badges
3811 silver badge4 bronze badges
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Conversation about which way threads go turn has been moved to chat.
– Oddthinking♦
Oct 19 at 5:04