the I N D E X.

Point of the East (2.) p. 187. n, 1102.

Echo (1.) p. 258. n. 542.

Eclipse of a Satellite (2.) p. 175. n. 1033. :

--- of the Moon. See Moon.

- of the Sun. See Sun.

Ecliptic Line (2.) p. 165. n. 999.

Plane of the- Ecliptic, p. 153, n. 940.

Elasticity (1.) p. 17. n. 44.

Perfect Elasticity, p. 76. n. 177.

The Law of Elasticity (1.) p. 123: n. 2 51.

'The Elasticity of Fibres, p. 120. n. 244. and sol,

The Elasticity of Plates of Metals. 129. n. 262. and sol.The EAuHticity of a Ball, p. 131. n. 266.

Elasticity from Heat. See Heat.

Electricity (2.) p. 3. n. 551.

-- of a Glass Tube , ibid. n. 554, 555.

.-- of a Glass Globe , p. 5. n. 559. and sol.

Conjectures about the Cause of it, p. 7. n. 563. and sol.The Elongation of Planets (2.) p. 167. n. 1012.

The greatest Elongation, ibid. n. 1013.

Eccentricity Planets (2.) p. 152. n. 932,

Extension (1.) p. 4. «. 8. p. 5. «. 13.

Description of the Eye (2.) p. 60. n. 712.

Artificial Eye (2.) p. 62.

Changes in the Eye, p. 63. a. 719. and sol.

The Defect of old Eyes corrected , p. 72. n. 756.

The Defect of short-sighted Eyes corrected , p. 73. n. 75 ^'

F.

Fibres —■ their Elasticity (1.) p. 120. n. 244. and sol.

* — their Vibrations, p. 127. n. and sol.Properties of Fire (2.) p. I. A 44. and sol.

Fire contain'd in Bodies (2.) p. 3. n. 552. and sol.

The Action of Air upon Fire (2.) p. 12. n. 577. p‘ J 7 *N- 593 - p. 18. n. 594.

A Fifth (1.) p. 255. n. 528.

Flame (2.) p. 15. n. 587. p. 17. n. 592.

Fluid (1.) n- a. 30.

Wherein Fluids agree with Solids (1.) p. 134. n. 270^,