Four vacuum pumps

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.

Details

Category:
Vacuum Technology
Object Number:
1991-24
type:
pump - machinery
credit:
Edwards High Vacuum Internationa

Parts

Rotary vacuum pump

Rotary vacuum pump, one of four sectioned for display, made by Edward High Vacuum International, Crawley, West Sussex, England, 1981-1991. Fitted with electric induction motor by A C Motors Limited (FHP Motor Division), Newcastle under Lyme, Staffordshire, England

Measurements:
overall: 260 mm x 450 mm x 200 mm, Wt. 16.19kg
Materials:
steel (metal) , plastic (unidentified) , paint , electronic components and metal (unknown)
Object Number:
1991-24/1
type:
rotary vacuum pump
Image ©
The Board of Trustees of the Science Museum
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

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.

Measurements:
overall: 235 mm x 220 mm x 170 mm, Wt. 05.44kg
Materials:
steel (metal) , copper (metal) , aluminium alloy , plastic (unidentified) and paper (fibre product)
Object Number:
1991-24/2
type:
turbo molecular vacuum pump
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

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

Object Number:
1991-24/3
type:
oil diffusion vacuum pump
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

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

Measurements:
overall: 135 mm x 230 mm x 185 mm, 4kg
Materials:
steel (metal) , stainless steel , pine (wood) , plywood and glass
Object Number:
1991-24/4
type:
pump - machinery