An essay on fire / by Mark Augustus Pictet. Translated from the French, under the inspection of the author, by W.B., M.D.
- Marc-Auguste Pictet
- Date:
- 1791
Licence: Public Domain Mark
Credit: An essay on fire / by Mark Augustus Pictet. Translated from the French, under the inspection of the author, by W.B., M.D. Source: Wellcome Collection.
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No text description is available for this image
No text description is available for this image
No text description is available for this image![( 3°4 ) the explofion of the powder without ball, puts the fire much more effec- tually into vibration, than when the ihock is deadenened by the prefence of the ball. But what is] the quality of bodies mod likely to produce this vibration in the element of fire ? Is it their own elafticity ? The obfervations I have made feem to prove the con- trary. Do not the fpecific heat of va- rious fubftances and their different permeability to the matter of fire operate alfo as coefficients in the ef_ fedts of friétion ? and if fo, experi- mental inquiries become complicated and very difficult. FINI S.](https://iiif.wellcomecollection.org/image/b28760888_0326.jp2/full/800%2C/0/default.jpg)