high; the four the block and the front side, by beveling this side so as to below, and each has a register or slide, a little thinner than center pipes, which are over 40 feet long, weighing nearly a have its sharp edgeon theinterior; this is called the upper ton each. The instrument was erected by… … Slowing-Engine for the Organ Royal Albert, Hall of Art movable diaphragm, d, of the double-acting bellows is plate for the purpose of sharpening a note: a similar effect and Sciences, South Kensington, London. operated, alternately forcing the air through the pipes, e, e, is sometimes produced by a…
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