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 430
strated on a small scale, by placinga living frog near an electrical machine in motion. Every time thatthe machine is discharged by placing the finger upon it, the frogexperiences a shock, which is nothing else than the return shockabove described. ( 403.) What is the Eeturn Shock? Explain its… … Fig. 281. A lightning-rod should fulfill the following conditions: 1. It should he of sufficient size. A copper rod of a half inch in diameter, or an iron one of threefourths of an inch in diameter, is large enough to protect ai.y building. 2. If made of more than one piece, the parts should…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
