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IEEE Global History Network > Files > File:Restored Edison Dynamo.JPG
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File:Restored Edison Dynamo.JPG

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Full resolution‎ (2,112 × 2,816 pixels, file size: 1.3 MB, MIME type: image/jpeg)

The restored Edison 100 kilowatt dynamo now at the ConEd Learning Center in Brooklyn, New York. The dynamo was restored by a team led by Robert Lobenstein.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:42, 31 May 2011Thumbnail for version as of 13:42, 31 May 20112,112×2,816 (1.3 MB)Administrator4 (Talk | contribs) (The restored Edison dynamo now at the ConEd Learning Center in Brooklyn, New York. The dynamo was restored by a team led by Robert Lobenstein, and is one of the ones used at the Pearl Street, Brooklyn generating station.)

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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 NIKON
Camera model COOLPIX S9
Exposure time 100/3,521 sec (0.028401022436808)
F Number f/3.5
ISO speed rating 64
Date and time of data generation 20:22, 8 April 2011
Lens focal length 6.4 mm
Horizontal resolution 300 dpi
Vertical resolution 300 dpi
Software used COOLPIX S9V1.0
File change date and time 20:22, 8 April 2011
Y and C positioning 2
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 0
Focal length in 35 mm film 38
Scene capture type Portrait
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Unknown
Exposure Program Normal program
Exif version 2.2
Date and time of digitizing 20:22, 8 April 2011
Image compression mode 2
APEX exposure bias 0
Maximum land aperture 3.6
Metering mode Pattern
Light source Unknown
Flash Flash did not fire, auto mode
Color space sRGB
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