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 204
) What is a Concave Mirror? What is (heir shape for experiment ? Howaie rays parallel to the axis reflected ? What is the focus? INFLECTION OF HEAT. 201 heat radiating from the ball, is reflected from A, parallel tothe common axis of the mirror, and falling upon i>, is againreflected to the… … Fig. 139. The property of parabolic mirrors, above explained, enables us loconcentrate the heat of the suns rays. In this case the reflector iscalled a bunting mirror. Fig. 139 shows the manner of using aburning mirror. It is placed so that its axis is parallel to the raysof the sun. which, on…
Physics
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