An essay on the usefulness of chemistry, and its application to the various occasions of life / translated from the original of Sir Torbern Bergman.

  • Bergman Torbern, 1735-1784.
Date:
1784
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the usefulness of chemistry, and its application to the various occasions of life / translated from the original of Sir Torbern Bergman. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    fpoken of as diftindt, although the limits of them are, in certain cafes, very ambi- guous and difficult to afcertain. II. The firft of thefe is called natural his- tory : the bufinefs of which is, by an at- tentive fcrutiny, to enquire into the fu- pcrficial appearances exhibited by natural bodies, efpecially their external form; to find out in them, as often as it can be done, tain characteriftic marks, by which any one of them may, at all times, be diftin- guifhed from every other. The notice therefore which a natural hiftorian, or na- turalift as he is called, takes of a plant, for example, is of this fort: he obferves [by the help of characleriftics previoufly afcertained] what genus, fpecies, and va- riety it belongs to. He obferves, whether it is found moft commonly growing in an open fpot expofed to the fun, or in the made ; at what feafon it flowers ; whether it turns itfelf or not to the fun ; whether the