Brass Farey's Ellipsograph, in original fishskin case, with small pair of pencil compasses

Made:
London

Brass Farey's Ellipsograph, in original felt lined black fishskin case, with one small pair of pencil compasses for use with instrument.

Details

Category:
Mathematics
Object Number:
1922-108
Materials:
brass and complete
Measurements:
overall (estimate): 20 x 150 x 150 mm
type:
curve drawing instruments and ellipsographs
credit:
Lt. James F. Godwin

Parts