1704 In Science
The year 1704 in science and technology involved some significant events. Astronomy * ''approx. date'' – The first modern orrery is built by George Graham and Thomas Tompion. Earth sciences * An earthquake strikes Gondar in Ethiopia. Meteorology * Daniel Defoe documents the Great Storm of 1703 with eyewitness testimonies in '' The Storm'' (London). Physics * Isaac Newton releases a record of experiments and the deductions made from them in ''Opticks'', a major contribution in study of optics and refraction of light. * Pierre Varignon invents the U-tube manometer, a device capable of measuring rarefaction in gases. Technology * The second electric machine is invented by British engineer Francis Hauksbee the elder (1660–1713): it is a sphere of glass rotated by a wheel. * For watch movements, Peter Debaufre invents the Debaufre escapement, the first frictional rest watch escapement produced: the escapement consists of two saw-tooth escape wheels of the same count. * For ...
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