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Gonimeter,1880s
A goniometer is an instrument that either measures an angle or allows an object to be rotated to a precise angular position. In crystallography,goniometers are used for measuring angles between crystal faces. They are also used in X-ray diffraction to rotate the samples. The groundbreaking investigations of physicist Max von Laue and colleagues into the atomic structure of crystals in 1912 involved a goniometer.
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Keywords: &, -ray, 1880s, 19th, angles, apparatus, art, artwork, bw, century, crystallography, device, diffraction, drawing, engraving, figuier, gonimeter, grandes, great, historic, historical, history, illustration, instrument, inventions, les, louis, measures, measuring, science, tool, weight, weights