Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Bridgman Percy H15

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Bridgman Percy H15

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Image title: 
Press in Laboratory
Credit line: 
Harvard University, courtesy AIP Emilio Segrè Visual Archives

Room 138, Lyman Laboratory at Harvard University. Press hanging from ceiling made for first pressure to 20,000 Kg/cm squared in about 1933. Press on left used for pressures to 40,000 Kg/cm squared in 1945. Center press with 8 inch piston used for pressures to 100,000 press, 1949

Original format: 
1 photographic print (black and white; 9.5 x 7.5 inches)
Bridgman, P. W. (Percy Williams), 1882-1961