Copy 1

The chemical pocket-book, or memoranda chemica; arranged in a compendium of chemistry ... with Bergman's table of single elective attractions / as improved by Dr. G. Pearson.

  • Parkinson, James, 1755-1824
Date:
1800
Catalogue details

Licence: Public Domain Mark

Credit: The chemical pocket-book, or memoranda chemica; arranged in a compendium of chemistry ... with Bergman's table of single elective attractions / as improved by Dr. G. Pearson. Source: Wellcome Collection.

    216/274 (page 180)
    { efo- mix with oily substances, in the same manner as SOAP. When the bile becomes thick ia the gall-bladder, it forms theconeretions called biliary calculz, con- creted, it is supposed, by the absorption of oxygen. These are soluble in general, in ardent spirit; and when the solution is left to itself for a-certain time, | brilliant and light particles are seen in it, which ap- pear to have an analogy with the salt of Benzoin, and with those which ‘are found in the human Calculi. There appear to be two sorts of biliary calculi, the one opake, consisting only of the condensed bile ; the other composed of crystalline plates, similar to mica or talc, formed by the crystals just described. VI. THE SOFT AND WHITE parts of animals. The membranes, tendons, cartilages, ligaments, and even the skin of animals contain a mucous sub “stance, very soluble in water, but not in alcohol; known by the name of ANIMAL JELLY. It is ob- tained merely by boiling any of the foregoing sub- stances in water: it has in general no smell, aad is insipid to the taste. © By distillation this jelly yields an insipid and inodorous phlegm, which easily pu trefies; ‘by a stronger heat it swells, becomes black, and emits a solid odour, with white acrid fumes: : alkaline phlegm, an empyreumatic oil, and a little carbonate of ammoniac passes over, and a spongy coal remains, difficult of incineration, and which contains niuriate of seda and phosphate of lime.