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2 early 20th Century brass spark conductor instruments both with glass insulation, 1 on a rectangular mahogany stand (2)
Brass Amercian gimballed compass by Sculler Safety Corporation, New York, within fitted walnut box
Brass Amercian gimballed compass by Sculler Safety Corporation, New York, within fitted walnut box
19th Century brass gyroscope by Negretti & Lambra 'Instrument Makers to Her Majesty, London',
19th Century brass gyroscope by Negretti & Lambra 'Instrument Makers to Her Majesty, London', inscribed, height 9.5'
Brass postal balance scales with 9 stacking weights.
Early 20th Century black lacquered four section telescope with leather cover; together with a pair
Early 20th Century black lacquered four section telescope with leather cover; together with a pair of leather cased 8 x 24 binoculars by Carl Zeis...
19th Century brass circular compass, diameter 3.25'; together with a brass hydrometer (2).
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