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XIX.—On the Structure and Optical Phenomena of Ancient Decomposed Glass

Published online by Cambridge University Press:  17 January 2013

Extract

The disintegration of solid bodies by means of active or feeble solvents, or by those invisible processes which go on during long periods of time, has, so far as I know, been studied neither by the chemist nor the natural philosopher. In 1837 I submitted to this Society a paper “On the Optical Figures produced by the Disintegrated Surfaces of Crystals,” containing experiments which I believe have not been repeated, and results which no person has attempted to explain. Since that paper was published, my attention was called to the structure and properties of decomposed glass, in consequence of having had occasion to study the action of its coloured films, in absorbing definite parts of the spectrum.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1863

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References

page 193 note * Edin. Trans., vol. xiv. p. 164.

page 193 note † Since this paper was written, I have received from Professor Von Kobell, of the University of Munich, a very interesting paper, entitled “Ueber Asterismus und die Brewsterschen Lichtfiguren”, in which he gives an account of my experiments, and adds many new and important ones of his own, illustrated with three plates. It is published in the Sitzungsberichte der Koniglichen Baierischen Akademie der Wissenschaften: Sitzung der Math.-Phys. classe, 8 Feb. 1862. A very full and excellent abstract of this Paper appeared in the Parthenon of 6th Sept. 1862.

page 193 note ‡ Phil. Trans., 1837, p. 245.

page 195 note * Phil. Trans., 1816, p. 73.

page 198 note * Sur la structure des corps solides, par M. Ch. Brame, (Lettre à M. Babinet). Comptes Rendus, &c., Nov. 1853, tom. xxxv. pp. 666, 667.Google Scholar

page 199 note * See Phil. Trans., 1837, p. 249.

page 200 note * Edinburgh Transactions, vol. xxii. p. 607.

page 203 note * Edinburgh Transactions, vol. xx. p. 621.