Syllabus of a course of lectures on natural and experimental philosophy / by A. Walker.

  • Walker, A. (Adam), 1730 or 1731-1821.
Date:
[between 1790 and 1799]
Catalogue details

Licence: Public Domain Mark

Credit: Syllabus of a course of lectures on natural and experimental philosophy / by A. Walker. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    the fame time.—A turnip drill-plough,—A ventilator of a trew conilruction, that takes out corrupt air from hoipitals; fliips, ficlc rooms, or cellars, and pours in a current of frclh air.—Maciiine for clearing the bottom of rivers.—Carts, waggons, coaches. Sec. the advantages and difadvantages of their prefcnt conftruction.-r-Broad and narrow wheels, friction-wheels., high and low wheels, di{hed wheels, fpring-fpoke wheels, teams, and fingle-horfe carts, confider- ed.—Howbeil to apply animal llrength.—Shoeing and yoking hor- fes, &c. N. B. Js thefe models take up too much time, their explanation 'will he made to any Subfcriber nuho dcjires it, after the LeSlure. LECTURE III. Principles of Chcnuftry. 1. CHEWING how the mechanical and chemical Philofophy ought ^ to go hand and hand. 2. Terms of Chemistry explained, &c. viz. ifr. Solution ; by a mechanical exhibition of it—by fait and water—by copper and nitrous acid—by acid and alkaline waters— by analyzing Bath, Seltzer, Pyrmont, Spa, Ilarrovvgate, Tun- bridge, Sec. waters. 2d, By concretions, petrifactions, the rife of water in air, and its defcent in rain, hail, or fnov/. 3d, Distillation; by fea water converted into frefh water —by wine turned into brandy, &c. , 4th, Sublimation, or dry Diftilluion; by the rife of fulphur —by the fluors of benzoin—by phofphorus, &c. 5th, Precipitation. Of copper by iron—of filver by copper — of iron by fixt alkali, &c. N. B. Thefe procelles may be called re-ji'vifcatio)!, as by the above procefll-s it may be fccn how the calx of lead, of iron, of copper, &c. may be revived into their refpective metals. 6ch, Crystalization. Of gum benzoin—falts of iron—am- moniacal faks—camphor—magnefia, &c. 7th, E-japoration. Of faits per deliquium—and in folution. 8th, J.. Of colours, how produced—how made permanent, and how deftroyed.—Polarity, or arrangement of particles, the caufe of tranfmicted colour; proved by new and ilriking exp^iments. Fire defined in an active and latent ftate; by being let loofe from cold bodies, and producing inilantaneous heat; and by ice pro- educed near the fire, LECTURE IV. Pneumatics. 'TpHE mechanical properties of the air proved to be, ift. That ^ heat, or fire, keeps its particles at a dillance, and hence its clalliciiy, by which it is capable of occupying a greater fpace than * 2