Image
Category
Maker
Object type
Place
Material
Date
High-Tension Vacuum Tester

High-Tension Vacuum Tester

1950-1979

Glass plates for demonstrating anti-reflection films

Glass plates for demonstrating anti-reflection films

1958

Complete educational high vacuum pumping equipment, model 2SC20A, Serial No. 11579, two stagerotary pump fitted with Solenoid Air Admittance valve, by Edwards High Vacuum Ltd, Manor Royal, Crawley, Sussex, England, 1955-1968.

Complete educational high vacuum pumping equipment

1955-1968

Four glass plates (each 3 1/2 inches square) bearing infra-red reflection films

Four glass plates bearing infra-red reflection films

1919-1958

Four vacuum pumps, sectioned for display:- (1) Rotary vacuum pump, (2) Turbo molecular vacuum pump, (3) Oil diffusion vacuum pump, (4) Sputter Ion Pump, made by Edward High Vacuum International, Crawley, West Sussex, England, 1981-1991.

Four vacuum pumps

1981-1991

Edwards Freeze Drying Unit model 10P made by Edwards High Vacuum Ltd., c. 1950.

Edwards Freeze Drying Unit model 10P made by Edwards High Vacuum Ltd.

circa 1950

Turbo molecular vacuum pump, one of four sectioned for display on plywood mount, made by Edward High Vacuum International, Crawley, West Sussex, England, 1981-1991.

Turbo molecular vacuum pump

1981-1991

Sputter Ion Pump, one of four sectioned for display, made by Edward High Vacuum International, Crawley, West Sussex, England, 1981-1991 (see note)

Sputter Ion Pump

1981-1991

Glass plate, five of nine (each 3 1/4 inches square), coated with magnesium fluoride for demonstrating anti-reflection films, by Edwards High Vacuum Ltd., Crawley, Sussex, 1958.

glass plate for demonstrating anti-reflection films

1958

Oil diffusion vacuum pump, one of four sectioned for display, made by Edward High Vacuum International, Crawley, West Sussex, England, 1981-1991.

Oil diffusion vacuum pump

1981-1991

4 MeV electron linear accelerator built by D.W. Fry et al, c. 1948. Ancillary - equipment: IONISATION GAUGE CONTROL UNIT model 3. Made in England by Edwards High Vacuum Ltd., Crawley, Sussex.

4 MeV electron linear accelerator built by D.W. Fry et al

1947

Stack of nine glass plates (each 3 1/4 inches square) coated with magnesium fluoride for demonstrating anti-reflection films, by Edwards High Vacuum Ltd., Crawley, Sussex, 1958.

Stack of nine glass plates (each 3 1/4 inches square) coated with magnesium fluoride

1958