Plotting protractor (Struben's patent) made by Ell

Made:
London
maker:
Elliott Brothers

Plotting protractor (Struben's patent) made by Elliott Bros. engraved: "Elliott Bros, London Struben's patent no.52" with case.

Details

Category:
Mathematics
Object Number:
1948-234
type:
semi-circular protractors
credit:
Institution of Civil Engineers
status:
Permanent collection

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