4 1/2 inch boxwood sector by Holtzapffel & Co.

One of two boxwood sectors (4 1/2-inch) by Holtzapffel & Co

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One of two boxwood sectors (4 1/2-inch) by Holtzapffel & Co
Science Museum Group
© The Board of Trustees of the Science Museum

One of two boxwood sectors (4 1/2-inch) by Holtzapffel & Co., 64 Charing Cross London (B518)

Details

Category:
Mathematics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1980-1151/2
Materials:
boxwood and hinge, brass
Measurements:
overall - closed: 3 x 123 x 36 mm
type:
proportion drawing instruments and sectors
credit:
Wellcome Trustees