Six inch ivory sector by John Cail

Made:
1825-1848 in Newcastle upon Tyne
manufacturer:
John Cail
One 6-inch ivory sector by John Cail

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One 6-inch ivory sector by John Cail
Science Museum Group
© The Board of Trustees of the Science Museum

One 6-inch ivory sector by John Cail, Newcastle-Upon-Tyne (B 504; A200287)

Details

Category:
Mathematics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1980-1136
Materials:
ivory and metal
Measurements:
overall - closed: 4 x 160 x 36 mm
type:
proportion drawing instruments and sectors
credit:
On loan from the Wellcome Trust