Example of the "Radicon" worm reducing gear
1935
"David Brown" standard worm reducing gear
1932
Example of Humphage's patent speed reducing gear as used in electric motors
1899
Avamore Reduction Gear, part sectioned
1919-1926
gear box
Directional gear box for radio controlled vehicle used in barrier testing programmes by Trrl
1962
Keenok, 4 : 1 ratio gearbox type FR5 no.377
1930
Gear Box and one Shaft End Fitting for Revolution
Parsons helical gear for steam turbine
1913