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1. Observations and Experiments on the coloured and colourable matters in the Leaves and Flowers of Plants, particularly in reference to the Principles upon which Acids and Alkalies act in producing Red and Yellow or Green colours

Published online by Cambridge University Press:  16 March 2015

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Extract

Professor Forbes shewed a specimen illustrative of the star-like fractures of horizontal strata, as assumed in the theory of Elevation Craters. It was a stratum of crystallized chloride of calcium, which had been accidentally fractured and elevated in Dr Christison's laboratory by the sudden disengagement of steam beneath during crystallization.

Type
Proceedings 1832–33
Copyright
Copyright © Royal Society of Edinburgh 1844

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