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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 de nov. de 2012 · ON A PIECE OF CHALK [1868] Thomas Henry Huxley; Book: Collected Essays; Online publication: 05 November 2012; Chapter DOI: https://doi.org/10.1017/CBO9781139149273.002
Español Traducción de “A PIECE OF CHALK” | El Collins Diccionario inglés-español en línea oficial. Más de 100.000 traducciones español de inglés palabras y frases.
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...
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 ...
