A 6″ single arm protractor by Robson, Newcastle on Tyne.
£150
Circa
1880
Country of manufacture
UK and Ireland
Description
A brass single arm, 6″ protractor signed on the vernier arm, ‘F. Robson. 46 Dean St, Newcastle on Tyne’. Contained in mahogany case.
Frederick Robson created F. Robson & Co on Dean Street in1867.
