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 18
be dense, as ingold, platinum, and mer-cury. Pores must not beconfounded with cells, asin sponge, light bread, andthe like. All bodies are more orless porous. The following experimentshows the porosity of leather.A long glass tube (Fig. 1) issurmounted by a brass cup,with a thick leather… … (9.) What is Porosity? WheD are bodies porous? When dense? Explain theexperiment showing the porosity of leather. 10 POPULAR PHYSICS. poured into the upper cup, and the air exhausted from the tube, themercury, being pressed down by the external air, is seen fallingthrough the leather in small drops…
Physics
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