File:Herbert J. Reed of the Electrochemistry Section measuring specific gravity on a battery.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:56, 28 January 2014		6,162 × 4,776 (1.33 MB)	commons>NISTResearchLibrary

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Image title	The battery-testing controversy which began in 1948 was caused by the testing of a material - a'battery additive'- marketed under the name'Battery AD-X2'. This product, when added to a lead-acid battery, allegedly improved its performance and, under some circumstances, could presumably revive a'dead'battery. This incident caused congressional hearings, newspaper headlines, and charges of Bureau bias against the'little guy.'
Copyright holder	The AD-X2 Controversy Photographic Collection is the property of the U.S. Government. The images are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the individual works to make sure there are no copyright restrictions indicated. Individual works may require securing other permissions from the original copyright holder.
Short title	Herbert J. Reed of the Electrochemistry Section measuring specific gravity on a battery
Source	AD-X2 Controversy
Width	4,776 px
Height	6,162 px
Bits per component	8 8 8
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	600 dpi
Vertical resolution	600 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS5 Windows
File change date and time	10:50, 3 May 2012
Color space	Uncalibrated
Keywords	United States. National Bureau of Standards--History; Storage batteries--Additives--Photograph collections;AD-X2--Photograph collections
Date and time of digitizing	05:54, 5 April 2012
Date metadata was last modified	06:50, 3 May 2012
Unique ID of original document	xmp.did:76D7E9C12E95E11189FADAA0EAA9757F

File:Herbert J. Reed of the Electrochemistry Section measuring specific gravity on a battery.jpg

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