75 tons capacity "Duff" high speed ball bearing screw Jack

75 tons capacity "Duff" high speed ball bearing screw Jack, in section (with two handles)

Details

Category:
Lifting & Mechanical Handling
Object Number:
1924-60
type:
jack
credit:
Hatch, George Ltd.

Parts

75 tons capacity "Duff" high speed ball bearing screw Jack, in section (with two handles)

75 tons capacity "Duff" high speed ball bearing screw Jack

75 tons capacity "Duff" high speed ball bearing screw Jack, in section (with two handles)

Measurements:
overall: 660 mm x 420 mm x 420 mm,
Object Number:
1924-60/1
type:
jack
Lift operating lever arm

Lift operating lever arm

Lift operating lever arm

Measurements:
overall: 30 mm x 1750 mm x 70 mm,
Object Number:
1924-60/2
type:
lever arm
Image ©
The Board of Trustees of the Science Museum