A 19th century steel swinging-arm proctractor

£80 - £120 £170

A 19th century steel swinging-arm proctractor, by Thomas Jones , 62 Charing Cross, London, in a fitted mahogany box, a part set of wooden rules, marked 'Miles, Chains, Links and Feet,' by 'Cooke, Troughton & Sims Ltd, London, York Cape Town & Johannesburg,' boxed, a lacquered brass travelling microscope, in a mahogany box and a part drawing set. (4)