"David Brown" standard worm reducing gear, sectioned, centre distance 4", ratio 3x29 to transmit 5HP continuously at 1440/150 R.P.M "David Brown" standard worm reducing gear 1932
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