Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 527
vertical axis. A screen isalso adjusted at a distance suitable to re-ceive the image of the flame produced bythe mirror. So long as the tube is silent,as it will usually be when the flame is largerthan the experiment requires, the rapido scil-lation of the mirror around its vertical axisRogerss… … ACOUSTICS SINGING FLAMES. 511 up, and in its place will appear a row of entirely separate and distinctimages of the flame. Professor Eogers has very beautifully varied thisexperiment by dispensing with the mirror, and employing a bent gastube, which is made to revolve rapidly within the singing…
Machinery · Scientific apparatus and instruments
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