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On a Piece of Chalk was a lecture given by Thomas Henry Huxley on 26 August 1868 to the working men of Norwich during a meeting of the British Association for the Advancement of Science. It was published as an essay in Macmillan's Magazine in London later that year.
- Thomas Henry Huxley, Loren Eiseley, Rudolf Freund
- 1868
We all know that if we "burn" chalk the result is quick-lime. Chalk, in fact, is a compound of carbonic acid gas, and lime, and when you make it very hot the carbonic acid flies away and the lime is left. By this method of procedure we see the lime, but we do not see the carbonic acid. If, on the other hand, you were to powder a little chalk ...
5 nov 2012 · i on a piece of chalk [1868] ii the problems of the deep sea [1873] iii on some of the results of the expedition of h.m.s. “challenger” [1875] iv yeast [1871] v on the formation of coal [1870] vi on the border territory between the animal and the vegetable kingdoms [1876] vii a lobster; or, the study of zoology [1861] vii biogenesis and ...
than a 'piece of chalk' for my discourse. But, in truth, after much deliberation I have been unable to think of any topic which would so well enable me to lead you to see how solid is the foundation upon which some of the most startling conclusions of physical science rest. A great chapter of the history of the world is written in the chalk . . .
On A Piece Of Chalk is a scientific essay written by Thomas Henry Huxley, a prominent biologist and naturalist in the late 19th century. The essay was originally delivered as a lecture to...
- Thomas Henry Huxley
- Kessinger Publishing, 2005
- reprint
- On a Piece of Chalk
A PIECE OF CHALK 197 the Chalk, and at long last a shallow-water origin definitely sug-gested. But, recently, Maurice Black has carried out a thorough investigation of the conditions of formation of this drewite, as it has been called, in the Bahamas, and has discovered that it consists of finely crystallized aragonite, the orthorhombic form of ...
‘On a Piece of Chalk’ was a lecture delivered by Thomas Henry Huxley at a meeting of the British Association for the Advancement of Science in Norwich. In it, Huxley meticulously reconstructed the geological history of Britain from his starting point of a piece of chalk, demonstrating the processes of scientific reasoning, as well as a ...
