Lukin, James. [from old catalog] · New York, G. P. Putnam's sons · leaf 139
und-board with the mechanism of thestops, by which one or more rows of pipes may be usedat the discretion of the player. In fig. II, the sound-board is seen partly in section.It con.sists of a strong shallow box, divided into channels 12? BOY ENGINEERS. by bars planed very true, tlie euds of these… … Fig. II. C, Channels. T, Top of lower part. S, Slide. T, Top board. D, Divisions or bars. M, Holes iu lowest board. the full pressure of wind that can be brought into themby the bellows. There must be as many of these OUR FIRST ORGAN. 129 channels as keys, each answering to a single note. Itmay be…
Handicraft · Steam-engines
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