"Digby Murray's patent radial set square", c. 1880

Digby Murray's patent radial set square', c. 1880'

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Digby Murray's patent radial set square', c. 1880'
Science Museum Group
© The Board of Trustees of the Science Museum

"Digby Murray's patent radial set square", c. 1880

Details

Category:
Mathematics
Object Number:
1992-472
Materials:
brass, glass, mahogany and complete
Measurements:
overall (overall): 28 x 215 x 150 mm
type:
squaring drawing instruments, set squares and semi-circular protractors
credit:
Tesseract