Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 71
Fig. 45 Dissipation of SmoKe-rings (genera! aspect). The better to watch these rings they should be … Fig. 46.—Dissipation of Smoke-rings (magnified ring). propelled to the darker side of the room, towards a dark RESISTANCE OF THE AIR. 55 picture, for instance. The first puffs will not produce aring if the tube has not been previously filled with smoke.The rotatory movement will be plainly visible…
Scientific recreations
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
