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Klappentext John Browning (1830-1925) was the leading British manufacturer of precision scientific instruments, including spectroscopes, telescopes, microscopes, and opthalmoscopes. In How to Work with the Spectroscope (1878), he provides a complete overview of the field in which he was the undisputed expert, describing in detail the care and use of instruments ranging from the universal spectroscope to the star spectroscope to the induction coil. This volume also includes Browning's A Plea for Reflectors (1867), in which he provides an introduction to the silvered-glass reflecting telescope. Numerous illustrations of the various instruments and a complete price list of Browning's lenses and other apparatuses provide important insight into his business practices and range of expertise. Designed for the lay enthusiast no less than the dedicated scientist, these volumes are also valuable witnesses to the growth of popular science in nineteenth- and early twentieth-century Britain. Zusammenfassung John Browning (1830–1925) was the leading British manufacturer of precision scientific instruments. The two volumes offered in this reissue are witnesses to the growth of popular science, providing a complete overview of the care and use of spectroscopes and also an introduction to the silvered-glass reflecting telescope. Inhaltsverzeichnis Preface; Spectroscopes and spectrum apparatus; Objects for the micro-spectroscope; How to make a map with a spectroscope; Works on spectrum analysis; Catalogue; Index.
