Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Hewlett Clarence F1

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Hewlett Clarence F1

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Image title: 
Hewlett works with vacuum systems
Credit line: 
AIP Emilio Segrè Visual Archives

Hewlett works with vacuum systems for evaporation of magnesium fluoride layers on glass for producing nonlight reflecting surfaces. Also for the evaporation of various metals and chemicals in the study for the improvement of selenium and copper oxide rectifiers. On the extreme right an oven surrounding a vacuum system for the study of the temperature effect on films deposited on glass surfaces under vacuum.

Photo date: 
circa 1940
Original format: 
1 photographic print (black and white; 6.5 x 4.5 inches)
Hewlett, Clarence Wilson, 1886-1976