Willis's odontograph

Made:
Chester
Willis's odontograph in brass (for setting out cycloidal teeth

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Willis's odontograph in brass (for setting out cycloidal teeth
Science Museum Group
© The Board of Trustees of the Science Museum

Willis's odontograph in brass (for setting out cycloidal teeth by approximate circular arcs method).

Details

Category:
Kinematics
Object Number:
1860-79
Materials:
brass (copper, zinc alloy)
Measurements:
overall: .0197 x 14.3701 x 21.2205 in.; .5 x 365 x 539 mm
type:
tool
credit:
Rigg, A. and J.