PERPETUAL MOTION
Mr. Charles Darling describes in "Knowledge" an interesting experiment which, if a certain temperature be kept up, results in perpetual motion. Some commercial aniline is poured into a glass beaker containing water, and sinks to the bottom, but if the temperature is raised sufficiently it rises to the surface. Almost at once a large drop of aniline, an inch or more in diameter, detaches itself so slowly that air the details of its production, the formation of a neck, the rounding off and breaking away of the drop, can be easily seen and photographed. The surprising part, however, is still to come, for the fallen drop begins gradually to rise to the surface again and joins the mass of aniline. A new drop forms, and if the temperature of the water is maintained at 7odeg. Cent, the performance is continuous.
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Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 23 August 1911, Page 7
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142PERPETUAL MOTION Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 23 August 1911, Page 7
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