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Whittle patent infinitely variable gear

Whittle patent infinitely variable gear

1929
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
2 Hayes automatic variable-speed gearboxes

2 Hayes automatic variable-speed gearboxes

1950-1960
Hayes automatic variable-speed gearbox. Serial no. IE 3578

Hayes automatic variable-speed gearbox

Input and output shafts with the cylinders, pistons and socket rings in position, for the '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.

Input and output shafts with the cylinders

1914-1924
2 thrust bearings of 4 collars for the '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.

2 thrust bearings of 4 collars for the 'Williams-Janney' hydraulic variable speed gear no.95

1914-1924
Main drive shaft and dog clutch of two phospher bronze pinions (said to be gear box pump pinions) that form part of the Hayes gearbox /1.

Main drive shaft and dog clutch of two phospher bronze pinions

1950-1960
Gear box. Serial no. IE 3388

Gear box. Serial no. IE 3388

1950-1960
4-tie rods and nuts for the '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.

4-tie rods and nuts for the 'Williams-Janney' hydraulic variable speed gear no.95

1914-1924
Outer casing in 3 parts for the '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.

Outer casing in 3 parts for the '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
Experimental variable speed gear patented by George Thomas in 1906

Experimental variable speed gear patented by George Thomas in 1906

1906-1912
'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