An essay on the theory of the production of animal heat and on its application in the treatment of cutaneous eruptions, inflammations, and some other diseases / By Edward Rigby.

  • Edward Rigby
Date:
1785
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the theory of the production of animal heat and on its application in the treatment of cutaneous eruptions, inflammations, and some other diseases / By Edward Rigby. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    In all the bodies in which phlogifton is found, it exifls as a neceftary ingredient or component part, and is not fcparated but by the body undergoing fome chemical change. The matter of heat exifls, likewife, in bo- dies in the fame manner, but befides this, it is conftantly found loofely united with bodies, and has a tendency to change its fituation by the contadl of others contain- ing lefs of it, that which contains the moft giving over to that which has the leaf! un- till an equal quantity be diftributed through each; and this is effected without either of the bodies undergoing any chemical change. It may be obferved, however, that the matter of heat, as a component part, cer- tainly exifls in all bodies containing phlo- giflon, and the former ufually efcapes when the latter is fet at liberty, as appears from the operations of combuflion and putrefaction. Respecting the living animal body, it has been fhewn that phlogifton is fcparated from
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