SIS_women_using_Purple_Analog.png
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Summary
| Description |
English:
Two women at work at the U.S. Army
w:Signal Intelligence Service
during World War II. The woman on the right is inputting ciphertext into an analog of the Japanese
w:Type B Cipher Machine
. The machine, or one like it, is on display at the
w:National Cryptologic Museum
, where it is identified as an improved version that was introduced in March 1944. See other photos in
Category:PURPLE analog, improved (National Cryptologic Museum)
".
|
| Date | between 1944 and 1945 |
| Source | Washington Post, October 21, 2017 |
| Author | US Army photographer |
Licensing
|
This work is in the
public domain
in the United States because it is a
work prepared by an officer or employee of the United States Government as part of that person’s official duties
under the terms of
Title 17, Chapter 1, Section 105
of the
US Code
.
Note
: This only applies to original works of the Federal Government and not to the work of any individual
U.S. state
,
territory
, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the
United States Postal Service
since 1978
. (See §
313.6(C)(1)
of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see
The US Mint Terms of Use
.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
Grebe