Boxwood sector, two foot; early example

Details

Category:: Mathematics

Object Number:: 1921-675

Materials:: box (wood) and brass (copper, zinc alloy)

Measurements:: overall (open): 15 mm x 640 mm x 200 mm, 0.892 kg

type:: proportion drawing instruments and sectors

credit:: Manser, T.

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Boxwood sector, two foot; early example

Details

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