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Scientific American, Vol. 81, No. 20 (November 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 81, No. 20 (November 1899), 1899, leaf 10
on a baffle-plate, from which it vacuum chamber at the bottom is passes in a spray to the third feed- common to all diaphragms which con- water heating chamber and is heated trol the plungers. Every note is con- by the steam entering the chamber. trolled by a rubber covered plunger The several… … out of order. The construction is very of age. THE "MAESTRO," A SELF-PLAYING ATTACHMENT FOR ORGANS. © 1899 SCIENTIFIC AMERICAN, INC.

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