The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 150
EXPERIMENTS IN ELECTRICITY. 133 IMITATION THUNDERCLOUDS,To show the manner in which thunderclouds perform theiroperations in the air. a a is a wooden stand, on which areerected two uprights, b b ; c c are two small pulleys, overwhich a silken cord can pull easily; e is another silken linestretched… … zontally, and made to communicate by means of thin wires,F and G, one with the inside, and the other with the outsjdeof a charged jar, d. Now, by pulling the loop of the silkline E, the cloud 1 will be brought near the cloud 2 ; continuethis slowly until the clouds (which are furnished with…
Magic tricks
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