Tyndall, John, 1820-1893 · New York : Appleton · leaf 266
ame/ is now singing, but theflame /, in the longer tube, is silent. I raise the paperslider which surrounds f, so as to lengthen the tube,and on approaching the pitch of the tube surrounding/,that flame sings. The experiment may be varied bymaking f the singing flame and f the silent one at… … It is also possible to silence the singing flame by theproper management of the voice. SENSITIVE NAKED FLAMES. § 7. Discovery of Sensitive Flames oy Le Conte. We have hitherto dealt with flames surrounded byresonant tubes; and none of these flames, if naked, wouldrespond in any way to such noise or…
Sound
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