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[[pre-printed]] L [[/preprinted]]
Light reflected from the Planets, what maybe the effect thereof. Quore. 5. p. 2. Its aberration by refraction [[insertion mark]] 77. [[written in darker ink]]
----- seems to be more in a dense than a rare body. 2. 20 p. 2.
Life, longer with the antedeluvians than now. p. 6.
Light, what it is. p. 10. Its effects. vol. II p. 107.
----- how supported & increased. p. 10.
----- air & fire cause all motions in Nature. p. 10 & 11. 
----- will [[underlined]] give, change, & destroy [[/underlined]] magnetism. p. 14.
----- Standing still in Joshua. p. 18.
----- of fixed stars depends upon our Sun. p. 28.
----- Zodiacal. p. 28.
----- Queries on it, and what it is. p. 240, &c.
Liquor, rising in cap. Tubes, p. 30.
----------------- will not account for vegetation. p. 34.
Light, is the only [[underlined]] natural [[underlined]] Fluid, & is the cause of all others [[insertion mark]] p. 34. the Distances & not as the [[underlined]] Squares [[/underlined]] p. 42.
Lenses, 2 plano-convex, & 2 double convex. 
ones for Eye Glass to a Telescope p. 44.
------ to find the aberration of light refracted thro them. 77.
------ Eye, Rule to find their Aperture & Focus [[insertion mark]] 44, 126, 146
------ double convex ones, the Ratio of their focal [[strike through]] distance [[/strike through]] lengths tot he Radius of their Spheres. p. 44.
----- a machine to grind them; Philos. Trans. vol. VIII. p. 281. Abridg.
Light, is part of the cause of Attraction of Cohesion. 48.
Lightning, has destroyed, turned the poles quite round and altered the direction of the compass p. 58.
Latitude, places the same, have not the same degrees of Heat & Cold. p. 60.
Light & Spirit, their joint action shown by 2 serpents. &c. p. 64.
----- of the Sun & Moon, Heb. thereof p. 64.
----- of the Stars, Heb. thereof p. 64.
Lead, quantity of its expansion, p. 92. 157.
Lights, the northern, makes the needle vary p. 100.
Lander, (John) a Question about his Residual Analysis, p. 15. with the Solution. 
Lacquer, how to make it. p. 17.
Longitude, an attempt to find it. p. 28. 131. &c. 138.
----- A Board of. p. 117.
----- found by Harrison's Watch. p. 118.
--------------- by Wood's sand-glass. p. 131 &c.
Lamp oil expence of burning it. p. 134.
-----s, inextinguishable ones, discovered. p. 139.
Lad, case of one who fractured his skull. p. 145.
Liquors, require different degrees of heat to boil. 156.
----- do not freeze in the same order in which they boil--156.
Lever, an improvement thereof. p. 67.
Longitude not to be found by solar eclipses, p. 234.
----- the same refuter---------- p. 234.
Leeward Islands, barometer & thermometer there. II. 109.
Lead, an ingredient in Printer's Types. II. 114. 
Lamp, Chamber, Furnace. II. p. 117.