The book of philosophical experiments, illustrating the principal facts and curious phenomena of electricity, galvanism, magnetism, optics, chemistry, heat, etc., with introductory observations of each science, and upwards of 300 experiments (1839)
Dalton, J. S. (John S.) · New York : [s.n.] · leaf 8
of the room, or it will convey the electricity backto the earth as fast as it is obtained by the ma-chine. The stool is tobe made as representedin the cut. a, is a pieceof deal board, at thefour corners of whichare to be glued four pie-ces of the same kind ofwood, very dry (b b.)These are to rest…
Physics
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