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Scientific American, Vol. 8, No. 15 (December 25, 1852) (1852)

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An illustration from Scientific American, Vol. 8, No. 15 (December 25, 1852), 1852, leaf 0
mits. Three doses usually bration of the sounding-board, and render them ing-board, by whicheach string becomes short- mer has struck and while the key is retained ; suffice to effect a cure. full and firm, that is, more flute-like, and not er and shorter, consequently has less and less the button,… … mine. Crayons containing plumbago are resist the opposite strain of the long or bass styled solid lead pencils. strings. Crayons, LitHograpuic.—Various formu- About the upright position of the pianoforte le have been given for the formation of these itis useless to say anything, for in this com-…

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