Elements of agriculture and vegetation / By George Fordyce, M. D. Fellow Of The Royal College Of Physicians; Physician to St. Thomas's Hospital; and Reader on the Practice of Physic, in London. To which is added an appendix for the use of practical farmers.

  • George Fordyce
Date:
1789
Catalogue details

Licence: Public Domain Mark

Credit: Elements of agriculture and vegetation / By George Fordyce, M. D. Fellow Of The Royal College Of Physicians; Physician to St. Thomas's Hospital; and Reader on the Practice of Physic, in London. To which is added an appendix for the use of practical farmers. Source: Wellcome Collection.

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

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    , t [ »* ]! ' jj fl \ ‘ applied, the Alkali will unite with the Add, and feparate the Earth. TL his can only happen when a Menftruum dif- folves only one of two Solvends at a Time, the one uniting with it, repels the other, and is faid to attrad the Menftruum ftronger. Two Solvends may attrad a Menftruum equally ftrongly. In the following Tables of Elective At- tractions, the Menftruum is placed at the Top of the Column, and the Subftances it will combine with, are placed under, in fuch Order, that if any one of them be combined with the Menftruum, any other that ftands above it, will feparate it; as for Example, If Silver be com- bined with an Acid, Mercury, Copper, an Alkali, or any other Subftance Handing above it, will feparate it. TABLE