The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 207
in the tank. The part of the pipe at bshould have a turnkey, so that the water may be let en orshut off at pleasure. THE PUMP. The action of the common pump is as follows : Whenthe handle a is raised, the piston-rod b descends, and [189] 190 THE MAGICIAX S OWN BOOK. brings the piston-valve, called… … the two valves ; the air in the valve of the pump, betwixtthe lower valve and the water, then forces open the lowervalve, and rushes through to fill up this vacuum ;and the air in the pump being less dense thanthe external atmosphere, the water is forced ashort way up the barrel. When the…
Magic tricks
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