A syllabus, of chemical and philosophical enquiries, composed for the use of the noblemen and gentlemen who have subscribed to the proposals made, for the advancement of natural knowledge, / by B. Higgins, M.D.

  • Higgins, Bry. (Bryan), 1737?-1820.
Date:
[1775?]
Catalogue details

Licence: Public Domain Mark

Credit: A syllabus, of chemical and philosophical enquiries, composed for the use of the noblemen and gentlemen who have subscribed to the proposals made, for the advancement of natural knowledge, / by B. Higgins, M.D. Source: Wellcome Collection.

    65/78 (page 63)
    of the vaft quantities of phlogiftic matter hourly formed into fire ? Why are the higher regions of the atmof- phere, colder than the lower regions •, aitho’ fire is evidently buoyant in air? Why doth the heat of combuftions not extend, in open quiefcent air, to any conft- derable diftance, either horrizontaliy or ver¬ tically : and why the heat of combuftions doth not extend to any great diftance, even with the wind ? Why fire may, without notable wafte, be carried to a great diftance from burning bo¬ dies, by means of chimnies and tubes of maflive conftru&ion : and why fire is carried from burning bodies, to the diftance of ma¬ ny miles, in fubterraneous cavities, without notable wafte ? What is the caufe of meteors, fire balls, and luminous mifts ?■* Why doth fire affeCt an equilibrium in bodies and fpace *, and why doth it appear to have no notable appetence or attraction to any one mafs of matter, above any other ? What is the caufe of condenfation ? Why doth a receiver, capable of contain¬ ing only a quart of water, lerve to condenfe as much vapour,in a given time \ as can be condenfed in a receiver capable, of holding one hundred quarts or more sf Why