File:Switchboardof1924.jpg

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Summary

Description	English: 1924-era telephone switchboard on display at the Atlanta History Centre in Atlanta, Georgia. Original description reads: Can I direct you? An authentic switchboard from 1924. Listed numbers include: Delta, Greyhound, DeKalb & Atlanta Police, GA Baptist, Emory, Piedmont, and Crawford Long Hospital.
Date	2004-11-15 (First uploaded here 2006-05-07, higher-resolution version uploaded 2009-01-16)
Source	http://www.flickr.com/photos/valerierenee/116581026/
Author	Valerie Renee on en:Flickr
Permission ( Reusing this file)	CC-BY 2.0

Licensing

This file is licensed under the Creative Commons Attribution 2.0 Generic license.

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CC-BY-2.0 Creative Commons Attribution 2.0 truetrue

This image, originally posted to Flickr, was reviewed on November 30th, 2006 by the administrator or reviewer Dodo, who confirmed that it was available on Flickr under the stated license on that date.

File usage

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

Telephone exchange

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	FUJIFILM
Camera model	FinePix A303
Exposure time	1/60 sec (0.016666666666667)
F-number	f/2.8
ISO speed rating	100
Date and time of data generation	12:58, 15 November 2004
Lens focal length	5.7 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	QuickTime 7.0.4
File change date and time	20:47, 22 March 2006
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	12:58, 15 November 2004
Image compression mode	1.6
Shutter speed	6
APEX aperture	3.1
Exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, auto mode
Colour space	sRGB
Focal plane X resolution	3,034
Focal plane Y resolution	3,034
Focal plane resolution unit	3
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Sharpness	3
Subject distance range	Unknown

Background information

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