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A good Negretti & Zambra pocket gilt brass cased barometer and a matching compass in a fitted leather case divided by a Fahrenheit/Centigrade ther...
A laboratory balance and a box of weights.
A military brass prismatic field compass by F. Garton & Co. London, dated 1915, with a mother-of-pearl dial.
A Carl Zeiss east German ship's "Trommel-Sextant" in a fitted case.
A sextant by Ross, London with an inset silver scale. The mahogany case with a near full compliment of accessories.
A Stanton Analytical Laboratory Balance Model BA6 with integral spirit level and 'automatic' enclosed weight system, used to weigh small quantitie...
A Jaraso 'Weighing Machine' with cast iron case. The scale is read via a folding mirror. Together with a part drawing set and two books.