Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Coblentz William F4

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Coblentz William F4

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$20.00
Image title: 
Coblentz Instruments
Credit line: 
AIP Emilio Segrè Visual Archives
Description: 

Early type photo cells used in ozone measurements by balloons. One of the first photo sensitive materials showing bulk material. Wire gratings. Magnetic type galvanometer made by Colbentz. Microradiator with thermocouple between magnetic poles (1906). Selenium cell from Germany.

Original format: 
1 photographic print, (black and white, 8 x 10 inches)
Person(s): 
Coblentz, William W. (William Weber), 1873-1962