Volume 4

Chemical essays / by R. Watson.

  • Watson, Richard, 1737-1816.
Date:
1793-1796
Catalogue details

Licence: Public Domain Mark

Credit: Chemical essays / by R. Watson. Source: Wellcome Collection.

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    any air could be obferved^ the water funk during the folution of the acid very apparently, yet T^so^h part of the water’s weight of acid caufed a fenbble elevation : fo that, what- ever may be thought of the caufe of the water’s finking during the fo- lution of a fait, the principle of it’s being to a certain degree imbibed into the pores of water feems in no cafe to be true, whether the fait be in a concrete or fluid form. This fubjedl may receive fome illuftra- tion from what is obferved in the freezing of water s ice from common water is always fpecifically lighter than w'ater, from it’s retaining in it's concrete form fevcral air-bubbles, which enlarge it’s bulk without add- ing to it’s weight; this ice, when put into a rnatrafs, after the man- ner in w'hicli all the preceding ex- it 2 periments