Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
the vessel will cut off hisview of the coin. By fillingthe dish with water the coinwill be brought to his view,and have the appearance ofbeing situated at T, in thedirection of the refractedrays. In this way the bottoms of rivers, ponds, etc., seem to be nearer thesurface of the water than they… … Prisms and Lenses. 405. Figure 32.—Prisms and Lenses.—These are usuallymade of glass, and are of various forms. A prism is a refracting medium, bounded by three or more (usuallythree) plane faces, variously inclined to each other. In the diagram,1 represents a section, or end-view, of a triangular…
Physics · Astronomy
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![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-246-24.webp)
