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Nature volume 49, pages 171172 | Download Citation



IN NATURE for November 23, p. 86, under this title, there appears an account of a lecture delivered by Prof. Smithells to the British Association on September 15, in which he brings before the Association those fascinating experiments with which his name has lately become identified. The apparatus by means of which Prof. Smithells draws the “inner cone” of a flame away from the “outer cone,” and which he describes as an appliance for dissecting the flame, or the cone-separating apparatus, is now quite familiar to most. By means of it a regulated stream of air is admitted along with the burring gas, until a portion of the flame recedes down the tube, and is arrested in its downward movement at the top of an inner tube, where the issuing gases are moving upwards at a slightly greater rate.

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