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 7
WORKING POWER OF ELECTRICITY. 27. Electricity may be made to give motion tobodies in the following way :—a, is a woodenboard, into which arc fixed four glass pillars,b B b b ; the two which stand opposite d, arc tobe shorter than those placed at the back of theboard; from the top of these stretch…
Physics
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