Part of circular instrument dividing engine.

Made:
1778
maker:
Troughton, John

"Four foot" circular dividing engine (c. 1778) by John Troughton, diameter of wheel to edge of teeth is 46 1/4 inches, with 2160 teeth, wooden treadle missing, and also a few unimportant details such as milled-head screws, near the 210 degree mark seven teeth are partly burred

Details

Category:
Industrial Metrology
Object Number:
1932-22 Pt1
type:
component - object
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • dividing engine
credit:
A.J. Bennett & Co. Ltd.