Two heart wheels in gear transmitting a variable velocity ratio, teaching model / J. Schröder, 1868 Two heart wheels in gear transmitting a variable velocity ratio 1868
Model showing by wire hyperboloidal pitch surfaces of skew level wheels. Diagrammatical model of hyperboloidal pitch surfaces circa 1889
Model of Cameron's coupling for connecting two shafts whose axes intersect Model of Cameron's coupling circa 1884
Model of Houldsworth's differential motion (made by J. Schroder) Model of Houldsworth's differential motion 1883
Model of reversing motion by clutch and bevel wheels, teaching model / J Schröder, Germany, 1868 Model of reversing motion by clutch and bevel wheels 1868
Model showing the mode of development of skew bevel wheels Model showing development of skew bevel wheels 1888
Two spur wheels in gear with driving handle on the axis of the pinion Two spur wheels in gear with driving handle
Machine cut double helical bevel wheel and matching pinion mounted on wooden base. Machine cut double helical bevel wheel 1908
Model of bell crank lever used in pumping machinery; made from iron. Model of bell crank lever used in pumping machiner Unknown
Model of bell crank lever used in pumping machinery in wood with iron components. Model of bell crank lever used in pumping machinery
10" x 14" coloured drawing of coupling, c. 1800, mounted on a cardboard sheet. being a square coupling, a Boulton & Watt coupling link and a round coupling. 10" x 14" coloured drawing of coupling circa 1954
Forty photographs of Kinematic models exhibited in loan collection of 1876 Photographs of Kinematic models 1876
Model of portion of involute mortise spur wheel, teaching model / J Schröder, Germany, 1868 Model of Portion of Involute Mortise Spur Wheel 1868
Professor Reynold's model to show effect of balancing reciprocating parts of an engine Professor Reynold's model to show effect of balancing reciprocating parts of an engine circa 1902
Ratchet wheel provided with two ratchets, pawl and half pawl, teaching model / J Schröder, Germany, 1868 Ratchet wheel provided with two ratchets 1868