Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

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CHAPTER IX THE PROJECTION MICROSCOPE AND ITS USE § 350. Apparatus and Material for Chapter IX : Suitable room with screen, for projection; Projection Microscope; Sunlight or the electric arc light; Specimens suitable for projection (§ 399) ; Tools etc., as for Ch. I. REFERENCES AND HISTORY § 351. For the history of the origin and development of the projection microscope, refer to the appendix at the end of the book. In this history will be given many references to the original sources of information upon the subject. For works dealing with modern micro-projection, the reader is advised to consult the works given in § 2 of Ch. I. He is especially advised to consult the catalogues of Zeiss and the other modern makers of projection apparatus, for in them he will find directions and suggestions for making the best use of the most modern instruments. His attention is also especially called to the Journal of the Royal Microscopical Society and to the Zeitschrift fiir wissentschaftliche Mikroskopie. See also the Zeitschrift fur Instrumentenkunde, the English Mechanic and the Scientific American with its Supplement. In every volume of these periodicals there are almost always articles bearing directly on the problems involved in Projection. GENERAL CONSIDERATION OF THE PROJECTION MICROSCOPE § 352. Similarity of all projection apparatus. — All devices for projection are fundamentally alike in giving images of brilliantly lighted objects. These images are projected upon some reflecting surface or screen in a dark room. The projection microscope simply gives images of greater enlargement than the other forms of apparatus. It imperceptibly merges into the magic lantern, as the magic lantern merges into the camera obscura. (Compare fig. 121-122). 221