Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 599
distance, and thus ensures a constant light,will be explained. The part of the apparatus MN may be considered as a .universal photo-genic apparatus. The microscope can be replaced by the headpieces of thephantasmagoria, the polyorama, the megascope, by polarising apparatus, &c.,and in this… … Fig. 573.ing a cylinder of lime in the flame produced by the combustion of a mixtureof hydrogen or of coal gas with oxygen gas. 607. Iiighthouse lenses.—Lenses of large dimensions are very difficultof construction ; they further produce a considerable spherical aberration,and their thickness causes…
Physics
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