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Beard's Electricity-Generating Magneto, c. 18...
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French Graphometer by Lasnier, c. 1740...
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Early German Graphometer, c. 1640...
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Large German Theodolite by Tesdorpf, c. 1895...
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English Ceramic Figures and Jugs, c. 1900...
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French Morse Lamp...
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Eight-Day Marine Chronometer by Thomas Mercer...
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Austrian Two-Day Marine Chronometer, mid-19th...
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Marconi's Wireless Direction Finder Type No 1...
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Reflecting Circle by Pistor & Martins, Berlin...
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Completely Preserved Mirror Sextant from the ...
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2 American Navy Surveying Instruments, c. 194...
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English Octant, c. 1840...
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English Octant, c. 1840...
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Fortis Automatic 595 Pilot's Chronograph...
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5 Mechanical Cockpit Clocks...
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Wooden Propeller for the S.E. 5 (Scout Experi...
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Rocket Wind Tunnel Test Model, c. 1980...
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Negretti & Zambra Weather Station, c. 1880...
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Early French Electricity Meter, c. 1885...
