Brass Farey's Ellipsograph, in original felt lined

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, complete
Measurements:
overall (estimate): 20 x 150 x 150 mm
type:
ellipsographs
credit:
Lt. James F. Godwin

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