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Image
Has Image
5
Non-Commercial Use
5
Category
Mathematics
5
Maker
Boys, C. V. (Charles Vernon), 1855-1944
1
Charles Vernon Boys
1
John Farey
1
Object type
ellipsograph
5
drawing curve instrument
2
ellipsograph; drawing curve instrument
2
box - container
1
box - container; ellipsograph
1
Place
United Kingdom
3
London
1
London, England
1
Material
brass
2
wood (unidentified)
2
complete
1
ivory
1
see stroke records
1
steel (metal)
1
Date
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Ellipsograph by Sir Charles Vernon Boys, c 1880-1920.
1880-1920
Farey's ellipsograph, 1817.
1817
Ellipsograph, in wooden box (see stroke/part records)