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Cenco-Megavac vacuum pump

Cenco-Megavac vacuum pump

Central Scientific Company
1910-1930
control panel for high vacuum pumping system

control panel for high vacuum pumping system

E. Leybold Nachfolger
ca. 1910-1930
diffusion pump

diffusion pump

Distillation Products Industries
1948-1960
diffusion vacuum pumps

diffusion vacuum pumps

Distillation Products Industries
1930-1950
diffusion vacuum pumps

diffusion vacuum pumps

Distillation Products Industries
1930-1950
double-barreled vacuum pump

double-barreled vacuum pump

American
1900-1920
Fleuss-type, Geryk vacuum pump

Fleuss-type, Geryk vacuum pump

Pulsometer Engineering Company, Ltd.
1901-1920
Gaede high vacuum mercury pump

Gaede high vacuum mercury pump

E. Leybold Nachfolger
1900-1910
Gaede-type rotary mercury vacuum pump

Gaede-type rotary mercury vacuum pump

E. Leybold Nachfolger
1900-1910
hand pump with specially designed inflating nipple

hand pump with specially designed inflating nipple

Bridgeport Brass Company
1935-1950
hand vacuum pump

hand vacuum pump

American
1850-1890
Hickman's three-stage self-fractionating diffusion pump

Hickman's three-stage self-fractionating diffusion pump

Distillation Products Industries
circa 1940
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