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Late 19th / early 20th century Morton's Patent pelorus with inner register ring incorporating
Late 19th / early 20th century Morton's Patent pelorus with inner register ring incorporating adjustment for magnetic variation and slightly varie...
Nautical chart rolling rule, signed - W. H. Harling Ltd. London, in a fitted case, together with a 'The John Williamson Company Ltd.' boxwood and ...
Three-dial LSD calculator marked - The British Calculator for Compound Addition, in original fitted case, together with another calculator with a ...
Walker's Patent Harpoon Ships Log A1 - with brass body and fins and three white enamel dials,
Walker's Patent Harpoon Ships Log A1 - with brass body and fins and three white enamel dials, 53cm overall length
Victorian brass and steel chondrometer / grain balance, by Bate London, in original fitted mahogany case with instruction label
Victorian Compensated Altimeter - with silvered dial and adjustable ascent / descent scale,
Victorian Compensated Altimeter - with silvered dial and adjustable ascent / descent scale, signed - J. Hicks 8, 9 & 10 Hatton Garden, London, in ...
19th century lacquered brass circular protractor in a green felt-lined mahogany case with applied
19th century lacquered brass circular protractor in a green felt-lined mahogany case with applied label - Pawson & Brailsford, Sheffield, protract...
Nine bone or ivory microscope slides
Nine bone or ivory microscope slides
Late 19th / early 20th century Negretti & Zambra Practical Drawing Instrument Set - in a brass
Late 19th / early 20th century Negretti & Zambra Practical Drawing Instrument Set - in a brass bound fitted case with lift-out tray, together with...
Fuller's Patent spiral slide rule with twin scales and brass pointers, in a fitted mahogany box
Brass chemical balance in original packaging, together with a box of weights (2)
Heath-Marine Bosun compass in original packaging, together with one other compass in a wooden case (2)
Late 19th / early 20th century Practical Drawing Instrument Set, by Stanley, Great Turnstile,
Late 19th / early 20th century Practical Drawing Instrument Set, by Stanley, Great Turnstile, Holborn, London, in a fitted mahogany case with lift...
Early 20th century brass theodolite stamped - E.R.W. & S. on a mahogany tripod, together with a fitted wooden carrying case for the instrument (2)
Early 1920s thermograph with clockwork-operated circular temperature chart and tracing pen measuring 0 degrees to 300 degrees, fitted with a lengt...
Cooke Troughton & Simms Ltd.
Cooke Troughton & Simms Ltd. M103901 microscope in a fitted case with spare lens, quantity of new glass slides and some specimens, a Canon photo m...
Late Victorian brass microscope with accessories, in a fitted case with slide / lens drawer
Pair early 20th century binoculars with brass frame, signed - Ross, London X10 No. 344, together with a pair of Zeiss Teleater binoculars of small...
Late 20th century pair Carl Zeiss 10 X 50W multi-coated binoculars, signed - Carl Zeiss Sena no.
Late 20th century pair Carl Zeiss 10 X 50W multi-coated binoculars, signed - Carl Zeiss Sena no. 6591623
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