< Page:Popular Science Monthly Volume 7.djvu
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447
THE PYROPHONE.
{|align=center width=350 cellpadding=2px style="font-size:85%;border-collapse:collapse;line-height:95%;" |colspan="2"|
|- |width="190" |Fig. 1.—Tube with Singing-Flames showing Mechanism by which the Gas-Jets are made to diverge, and thus give rise to the Sound. |width="190" |Fig. 2.—Same, with Flames united, when no Sound is produced. |}
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