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19th century Sykes hydrometer, by Farrow & Jackson Ltd., in mahogany case, 25cm long ...[more]
Otis King patent calculator
Otis King Patent calculator, cased, together with three others similar, four various Fowler textile calculators, cased, slide rules and other items
Good 19th century lacquered brass binocular microscope, probably by Ross of London, on tripod base
Good 19th century lacquered brass binocular microscope, probably by Ross of London, on tripod base and wooden stand, 33cm high, apparently unsigne...
Parker Duofold retractable pencil, with marbled finish, Cross rolled gold ballpoint pen, other pens
Parker Duofold retractable pencil, with marbled finish, Cross rolled gold ballpoint pen, other pens
Early 20th century Holosteric barometer, by Chas. J Gaupp & Co., Hong Kong, with engraved silver
Early 20th century Holosteric barometer, by Chas. J Gaupp & Co., Hong Kong, with engraved silver dial, 16.5cm diameter ...[more]
Late 19th/early 20th century Bell pattern (No 1) sextant with silvered scale, signed & Co. Ltd. Crayford, London, and accessories, in a mahogany c...
Early 20th century microscope
Early 20th century brass microscope No. 24299, with spare lens and lens cases, by W Watson & Sons Ltd, London, in original fitted case with key. ...
Edwardian Ross telescope with nickel plated and black Leather covered frame engraved “Batthyany” R.Y.S.- (Count later Prince Batthyany was an Aust...
Stanley brass octant
Stanley brass octant with silvered scale -marked Stanley London, 21cm wide
Quantity of vintage slide rules and measures plus old boat hook
Late Victorian/Edwardian pocket barometer, the circular silvered dial signed E. G. Wood, London, in
Late Victorian/Edwardian pocket barometer, the circular silvered dial signed E. G. Wood, London, in gilt metal case and original box
First World War period officers compass in original leather case, Watkin’s Clinometer by Hughes &
First World War period officers compass in original leather case, Watkin’s Clinometer by Hughes & Son Ltd, in original leather case and one other ...
Sky-watcher Astronomical telescope in case with tripod and accessories
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