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Scottish Octant by David Stalker, Leith, c. 1...
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English Octant by Cook, London, c. 1810...
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Eljo MK II Water-Cooled Marine Engine...
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Gimbal-Mounted Marine Stick Barometer, c. 183...
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Large Current Converter by Brägestu, c. 1925...
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Group of Physical Demonstration Models, c. 19...
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Power Factor Measuring Instrument by Brown, B...
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Measuring and Laboratory Equipment, c. 1910 o...
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Gebrüder Kaiser Alternating Current Electric ...
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Measuring Bridge by Siemens & Halske, c. 1890...
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French Experiment Box for Demonstrating Elect...
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Demonstration Model of an Early Electric Moto...
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English Laboratory Induction Coil, c. 1900...
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Rare Early Tripod for Surveying Instruments, ...
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English 'Everest-Pattern' Theodolite by Troug...
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2 Surveying Instruments...
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Large French Graphometer by Lennel, 1777...
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6 Surveying Instruments...
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Group of Measuring and Surveying Instruments...
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Early Chinese Geomantic Compass, Late 18th Ce...
