Image:STURGEON.jpg

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From NSA museum.

The placard reads:

                   SIEMENS GEHEIMSCHREIBER
                 T-TYPE 52D CIPHER MACHINE
                       GERMAN CA 1935
ON LOAN TO THE NATIONAL CRYPTOLOGIC MUSEUM 
                FROM 
       THE GOVERNMENT OF SWEDEN.

Link to larger image: [1]


Public Domain

This article or image contains materials that originally came from a National Security Agency (NSA) website or publication. It is believed that this information is not classified, and hence as a work of the United States Government is in the public domain. See the privacy and security information.

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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.

Camera manufacturer NIKON
Camera model E990
Orientation Normal
Horizontal resolution 300 dpi
Vertical resolution 300 dpi
Software used Adobe Photoshop 7.0
File change date and time 09:59, 17 November 2003
Exposure time 2/239 sec (0.0083682008368201)
F-number f/2.5
Exposure Program Normal program
ISO speed rating 100
Exif version 2.1
Date and time of data generation 10:28, 16 August 2001
Date and time of digitizing 10:28, 16 August 2001
Image compression mode 4
Exposure bias 0
Maximum land aperture 3.5
Metering mode Pattern
Light source Unknown
Flash 1
Lens focal length 8.2 mm
Color space sRGB
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