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Introduction by D J Bryden
German Astrolabe 1548
Equinoctial Sundial 18th century
15 other sections not shown
abacus accurate angles Antoine Lavoisier apparatus astrolabe axis balance barometer battery became brass calculated carbon cathode chemical Chewstoke coil column conductors consists decorated device Dewar dial discovery earth eighteenth century electrical resistance electricity electrolysis electromagnet electromagnetic induction eudiometer Faraday Galileo gases George German glass globe heat hole horizontal hour hydrogen inches instrument instrument-maker invention iron Jesse Ramsden lamp lantern clocks Larcum Kendall latitude lenses lodestone London machine magnetic field mauveine measure mechanical mercury metal microphones microscope moon mounted navigators North Star Nuremberg octant orrery oxygen patented pendulum pivoted plate pointer pole lathe precision Priestley produced reflecting rose engine lathe rotation Royal Society Rumford scale scientific scientist sextant shown silver slide rule stereoscope sundial switchboard telegraph telescope temperature Temple of Vesta theodolite thermometer timekeepers tool tube turned vacuum vacuum flask vertical vessel voltage watch weight wheel wire