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

Made:: circa 1890 in unknown place

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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

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