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A set of boxwood rules, variously stamped W.S. Carpenter and Stanley, Great Turnstile, Holborn, London, rectangular mahogany box with sliding cove...
An early 20th century black lacquered surveying theodolite, by A.G. Thornton, 109 Deansgate, Manchester, 32cm long telescope, 16.5cm high overall,...
Engineering - Automobilia, a car mechanic's chromium stethoscope, Capac Co Ltd Bin-Aural, For Detection, Location and Comparison of Sound, fitted ...
A 19th century style cylinder barograph, 13.5cm high
An unusual 19th century surveying compass, of narrow field, possibly mining related, the mahogany box with sliding cover, stamped M9665, 17cm wide