Model of Prof. Helen Shaw's sphere and roller variable gear mechanism.

Made:
circa 1890 in unknown place
Model of Prof

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Model of Prof
Science Museum Group
© The Board of Trustees of the Science Museum

Model of Prof. Helen Shaw's sphere and roller variable gear mechanism.

Details

Category:
Kinematics
Object Number:
1890-144
Materials:
cast iron, brass and steel
Measurements:
9.0551 x 12.2047 x 11.0236 in.; 230 x 310 x 280 mm
type:
variable ratio gear
credit:
F.J. Eastmead