112

Pneumatics,

LECTURE VI.

©/"Pneumatics, or DoSlrine of the Aor Atmosphere in general. Ofclal or Factitious Air; the greattity thereof in Natural Bodies; vaf^yExperiments relating thereto. Of y'Weight of the Ai R ; of the Nature of ^ ■Barometer for estimating the saute 7 *Account of the several Kinds, viz. thependicular, Diagonal, Horizontal, P e{ldent, Wheel, and Water BarometÆ 1 ^The best Way of making the Common ^rometer. The Nature and Use of KNonius, applied thereto , explain y d. *■ yUse of the Barometer in measuring * (Heights of Mountains, &c. The SpR 1 ^,or Elasticity of the Air accounted] 6 ^ jand explain'd. The Nature of the S#' jGage explain'd. The Altitude of t /;

Atmosphere determined. The AA I .Sailing in the Air proved inipof 6 ,.The Absolute Weight of the Ai f ^termin'd by Experiment, variable ]sure on Human Bodies; the OB aIt %thereof computed. An Account of fil