File:WE 631b Microphone (Courtesy, NWA History Centre, Inc.) back.JPG

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The back side of the Western Electric Model 631b microphone which was used by Northwest Airlines. Earhart's Electra was equipped with the same model carbon type microphone. (Courtesy: NWA History Centre, Inc.)

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Date/TimeThumbnailDimensionsUserComment
current11:26, 13 June 2011Thumbnail for version as of 11:26, 13 June 2011480 × 640 (138 KB)Rickerjones (Talk | contribs)The back side of the Western Electric Model 631b microphone which was used by Northwest Airlines. Earhart's Electra was equipped with the same model carbon type microphone. (Courtesy: NWA History Centre, Inc.)
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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 Canon
Camera model Canon PowerShot SX200 IS
Exposure time 1/8 sec (0.125)
F Number f/3.4
ISO speed rating 320
Date and time of data generation 16:48, 7 June 2011
Lens focal length 5 mm
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used QuickTime 7.6.6
File change date and time 20:05, 12 June 2011
Y and C positioning Co-sited
Exif version 2.2
Date and time of digitizing 16:48, 7 June 2011
Meaning of each component
  1. Y
  2. Cb
  3. Cr
  4. does not exist
Image compression mode 3
APEX shutter speed 3
APEX aperture 3.53125
APEX exposure bias 0
Maximum land aperture 3.53125 APEX (f/3.4)
Metering mode Pattern
Flash Flash did not fire, compulsory flash suppression
Supported Flashpix version 0,100
Color space sRGB
Focal plane X resolution 2,622.9508196721
Focal plane Y resolution 2,622.9508196721
Focal plane resolution unit inches
Sensing method One-chip color area sensor
File source Digital still camera
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 1
Scene capture type Standard
JPEG file comment AppleMark
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