File:CBQ 1926 mail hook detail.JPG

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Description	English: Detail view of the mail hook on CBQ 1926, a RPO preserved at the Illinois Railway Museum.
Date	16 July 2005
Source	Own work
Author	Sean Lamb ( User:Slambo)

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CC-BY-SA-2.0 truetrue

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Railway post office

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 A40
Exposure time	1/8 sec (0.125)
F-number	f/2.8
Date and time of data generation	14:02, 16 July 2005
Lens focal length	5.40625 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	14:02, 16 July 2005
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	14:02, 16 July 2005
Image compression mode	3
Shutter speed	3
APEX aperture	2.9708557128906
Exposure bias	0
Maximum land aperture	2.9708557128906 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Focal plane X resolution	4,970.8737864078
Focal plane Y resolution	4,954.8387096774
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard

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