, Tfihe I N D E X.

Velocity (i.) />- 20. ». 53.

Venus (2.) p. i55- *• 959-. —. it is an Assemblage of Stars, p. 204. n. 1200.

Vibrations of Pendulums. See Pendulums.

--— of Fibres... : See Fibres.

Vision (2.) p. 62. n. 716.

Distinct, Vision, p. 63... -r. 717. y>. 64. ». 724. y. 65.-r. 728. .

Confused Vision, p. 63. n. 718.

Judgment concerning, the Distance of Objects seen , p. 66.n. 729. and sol.

Apparent Magnitude, p. 66. n. 733. _

Judgment concerning the Magnitude, ibid. -r. 734.

Vision /W G/æ/J (2.) p. 68. n. 739. and sol.

.. — thro' a convex Lens (2.) p. 69. n. 745. and sol.

--- thro * s conCave.Lens (2.) p. 72. n. 757.

—— Objects appear magnified in Water (2.) p. 69. n. 744.

W.

Wave o-r the Surface of a Fluid (1.) p. 201. n. 402.

p. 202. n. 405. h—— Breadth of it, p. 202. n. 404.

. Motion, and Reflexion of it, &c. p. 201. ». 402.p. 202. n. 405.

-- - Celerity of them, p. 208. n. 416.

Wave in Air, p. 239. n. 476.

——— Motion of them and Celerity, &c. p. 240. n. 477.and sol.

Water and melted Ice (2.) p, 20. n. 604.

Wedge (1.) p. 43. n. 1 18, 119.

Point of the West (2.) p. 187. n. 1103. .

Wheels withFeeth (1.) p. 39. n. 114.

Whiteness (2.) p. 124. n. 870.

-- refultingfrom a Mixture of Colours, ibid. n. 871,

and 872.

A white Body grows warm sooner than other colour'd Bo-dies, p. 145.- n. 909.

ShiningWood (2.) f. 13. n. 578.

Zenith