Rectangular drawing instrument in brass, dated 186

Made:
1865

Rectangular drawing instrument in brass, dated 1865, vernier at one corner, with swinging index arm, plus separate rectangular diagonal scale, also brass, in mahogany case

Details

Category:
Mathematics
Object Number:
1987-724
type:
drawing instruments
credit:
Sotheby's (New Bond St)
status:
Permanent collection

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