Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 249
shown inFig. 153, of a piece of woodcut out in the shape of amonk, having a cowl ofpasteboard turning aboutan axis, a. The axis, «,passes through the neck ofthe figure, and connectswith an apparatus shownin the section AJB, on theleft of the figure. The axis,a, is connected with a pieceof twisted… … ( 243) What is a Hygroscope ? What substances may be used in the constructionof a hygroscope ? Examples. Explain the hygroscope shown in Fig. 153. 11YGROMETRY. 247 twists, and the monk puts on his cowl. In adjusting theinstrument, care should be taken to have the cowl on thehead when the catgut is…
Physics
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