Image:Hebern1.jpg

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A single rotor Hebern rotor machine on display at the National Cryptologic Museum. Photography courtesy of Professor Roger Brown, who agreed to license the image under the GFDL after an email exchange with en:User:Matt Crypto; source: [1]

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation license".

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Date/TimeDimensionsUserComment
current15:36, 28 August 2005600×400 (113 KB)Dake (A single rotor Hebern rotor machine on display at the National Cryptologic Museum. Photography courtesy of Professor Roger Brown, who agreed to license the image under the GFDL after an email exchange with en:User:Matt Crypto; source: [http:/)
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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 file.

Camera manufacturer OLYMPUS OPTICAL CO.,LTD
Camera model C3040Z
Exposure time 1/50 sec (0.02)
F-number f/2
Date and time of data generation 17:11, 26 December 2001
Lens focal length 11.9 mm
Image title OLYMPUS DIGITAL CAMERA
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used v354u-75
File change date and time 17:11, 26 December 2001
Y and C positioning 2
Exposure Program Normal program
ISO speed rating 100
Exif version 2.1
Date and time of digitizing 17:11, 26 December 2001
Image compression mode 2
Exposure bias 0
Maximum land aperture 2
Metering mode Pattern
Light source Unknown
Flash 1
Color space sRGB