Mason & Hamlin Co. (Boston, Mass.) · The Company · leaf 12
pansion of the bellows or receiver, as it becomesemptied of or filled with wind, in the ordinary process of blowing. An iron wire is inserted in the outer bellows-board, at the righthand upper corner, as will be seen in the cuts. When the bellows becomes contracted to a certain point, its further…
Organ (Musical instrument)
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