Search our collection

Clear all filters
Image
Category
Maker
Object type
Place
Material
Date
Experimental variable speed gear patented by George Thomas in 1906

Experimental variable speed gear patented by George Thomas in 1906

1906-1912
Hele-Shaw pump for power transmission, gear pump-body and valve sectioned, gunmetal casing, size P2.25. By the Hydraulic Gears Company, London, W6, England, 1914-1924.

Hele-Shaw pump for power transmission

1914-1924
Whittle patent infinitely variable gear, with variation of 6 to 1

Whittle patent infinitely variable gear

1929
2 Hayes automatic variable-speed gearboxes

2 Hayes automatic variable-speed gearboxes

1950-1960
'Williams-Janney' hydraulic variable speed gear no.95, size 5, type C, with gun/metal hand wheel, by The Variable Speed Gear Co., London, SW1, England, 1914-1924.

'Williams-Janney' hydraulic variable speed gear no.95

1914-1924
1/4 H.P infinitely variable speed gear unit type RA no.263

1/4 H.P infinitely variable speed gear unit

1931