Bridgman works with equipment.

In Room 135, Lyman Laboratory at Harvard University. Percy Bridegan adjusts a high-pressure press with two stages of external support for reaching 50,000 Kg/cm squared. This new press was made in 1938., Credit Line: Harvard University, courtesy AIP Emilio Segrè Visual Archives
Abstract/Description: In Room 135, Lyman Laboratory at Harvard University. Percy Bridegan adjusts a high-pressure press with two stages of external support for reaching 50,000 Kg/cm squared. This new press was made in 1938.
Subject(s): Eyeglasses
Equipment and supplies
Laboratories
High pressure (Science)
Hydraulic presses
Cambridge (Mass.)
Bridgman, P. W. (Percy Williams), 1882-1961
Credit Line: Harvard University, courtesy AIP Emilio Segrè Visual Archives
Catalog ID: Bridgman Percy F3