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Italy, petrochemical plant, 70s
UMG23A12_422

Italy, petrochemical plant, 70s

Female computers at the National Advisory Committee for Aeronautics (NACA) Lewis Flight Propulsion Laboratory copy pressure readings from rows of manometers below the 18- by 18-inch Supersonic Wind Tu...
UMG22A32_433

Female computers at the National Advisory Committe...

Ionized and magnetic manometers prior to installation on the soviet sputnik 3 satellite, 1958.
UMG20B02_468

Ionized and magnetic manometers prior to installat...

Ionization manometer with d,c, amplifier used on the soviet sputnik 3 satellite, 1958.
UMG20B01_324

Ionization manometer with d,c, amplifier used on t...