Scale model of Su Song's Water-Balance Escapement
1965
Model of Beranger Counter Scale weighing mechanism
1930
Model of Compound Lever Weighbridge
1930
Model of Lever Escapement, Unsigned, 1860-1928
1860-1928
Roberval Enigma
1930
Mock-up of X3 satellite
Mock-up of X3 satellite attitude control system
Model of Bascule de Quinteny weighing mechanism
1930
Model of Duplex Escapement used in Waterbury Watches, 1880-1935
1880-1935
Model of a Cylinder Escapement, Unsigned, 1850-1925
1850-1925
Model of Swiss Lever Escapement
1950-1984
Model of weighing mechanism - Inverted Counter Scale
1930
Mock-up of X3 satellite, sectioned
Model of weighing mechanism - George Balance
1930
Model of weighing mechanism - Phityer modification of George Balance
1930
Model of weighing mechanism - Roberval Counter Scale
1930
Mock-up of IMAX camera 1983
1983
Mock-up of X3 satellite attitude control system
Model of Graham's Cylinder Escapement, 1850-1883
1850-1883
Model of a Lever Escapement , 1850-1883
1850-1883