File:Joseph Hamilton with radio sodium experiment 97401413.jpeg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:15, 2 February 2023		2,998 × 3,999 (6.69 MB)	LittleDwangs	Higher quality version from https://catalog.archives.gov/id/7665781

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Width	2,998 px
Height	3,999 px
Bits per component	8
Compression scheme	Uncompressed
Pixel composition	Black and white (Black is 0)
Orientation	Normal
Number of components	1
Horizontal resolution	400 dpi
Vertical resolution	400 dpi
Software used	Adobe Photoshop CS6 (Windows)
File change date and time	18:59, 2 April 2013
Color space	Uncalibrated
Date and time of digitizing	14:51, 2 April 2013
Date metadata was last modified	14:59, 2 April 2013
Copyright status	Copyright status not set
Unique ID of original document	xmp.did:BF6291E9E89BE2119CF8EE6C6BC8C18D