Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 127
Flute made to6pcak. … § 107. The mode here supposed of exciting and sus-taining the vibrations of a column of air in an open tubemay easily be put in practice. Take a common tuning-fork and by meansof sealing wax fas-ten a circular discof card on one of itsbranches, sufficient-ly large to nearly co-ver the open end ofa…
Mechanics · Acoustics · Optics
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