INDEX. 



601 



Kempelen, 313. 



Kepler, 28, 29, 375, 376, 381, 393, 401, 457, 458, 



459; b. 1571, d. 1630. 

 Keplerian laws, 401, 402, 411, PI. 1. 

 Key note, 306. 

 King, 182,489. 

 Kingdoms of nature, 565. 

 Kingpost, 130, PI. 12. 

 King's College Chapel, 188, PL 12. 

 Kirb roof, 130, PI. 13. 

 Kircher, 316; b. 1601, d. 1680. 

 Kirwan, 546, 547, 586. 

 Kite, 247, PL 22. 

 Kleist, 586. 



Klingenstierna, 379, 380. 

 Klugel, 38). 

 Kneading, 179. 

 Knight, 569, 570. 

 Knives, 174. 

 Kramp, 191. 



Kratzenstein, 313, PI. 26. 

 Kunze, PL 39. 



Labour, 60, 253, 254. 



Labour of a man, 101. 



Lacepede, 586. 



Lafaille, 189. 



Lagrange, 5, 121, 192, 218, 317, 401, 415. 



Lahire, 100, 191 ; b. 1640, d. 1718. 



Lahire's pump, 254, 266, PL 23. 



Lake, 444. 



Lalande, 398, 428, 458, PL 33. 



Lallamand, 586. 



Lambert, 293, 318, 380, 381, 390, 391, 418, 421, 



489,586; b. 1728, d. 1777. 

 Laminating machine, 170. 

 Lamp, PL 21. 

 Lamps, 237. 

 Land, 437. 

 Land breezes, 550. 

 Landen, 192 ; b. 1719, d. 1790. 

 Lane, 528, PL 40. 

 Langsdorf, 285. 

 Laplace, 5, 46, 83, 84, 85, 191, 192, 289, 318, 345, 



361, 382, 402, 404, 414, 415, 429, 432, 444, 450, 



451, 452, 486, 501, 586, 589. 

 Larynx, PL 26. 

 Latent heat, 501. 

 Lateral adhesion, 107, 480. 

 Lateral friction of fluids, 225. 

 Lathe, 174. 

 Latitude, 425, 430. 

 Laurie, PL 24. 



Lavoisier, 486, 501, 586; b. 1743, d. 1?94. 

 Laws of gravitation, 409. 

 Laws of refraction, 324. 

 Leaden pipes, 242. 

 Lean, 269. 

 Leaves, 570. 

 Lee, 187. 

 Lee way, 248. 

 Legs, PL 9. 



Leibnitz, 60, 191,280, 376; b. 1646, d. 1716. 

 Lens, 326. 

 Lenses, 331, 374, PL 27- Grinding lenses, 177- 



Leslie, 291,488, 498, 554, 588. 



Leslie's thermometer, 498, PL 34. 



Letherland, 149. 



Letterpress, 94. 



Leucippus, 581. 



Leupold, 191 ; d. 1727- 



Level. Spirit level, 237. 



Levelling, 81. 



Levels, 438. 



Lever, 50, PL 3, 4. 



Levers, 133,156. 



Levigating, 179. 



Levity, 207- 



Lewis, 161, PL 17. 



Lexell, 40a 



Leyden phial, 513. 



Libra, 3&S, 401. 



Libration of the moon, 414, 419. 



Life, 567- 



Life of plants, 570. 



Lifting pump, 255, PL 23. 



Light, 320, 359, 389, 502, 503, 582, PL 39. 



Light from electricity, 518. 



Light from friction, 340. 



Light-house, 122, PL 11. 



Lightning, 557, 581, 586. 



Light of a candle, 344. 



Light of the heavenly bodies, 421. 



Light of spirits, 344. 



Light of the stars, 389. 



Lincoln cathedral, 188. 



Lines, 77- 



Lines or hatches, PL 6. 



Linne, 571, 5?2, 573, 575, 586. 



Linnean system, 571, 586. 



Lintearia, PL 19. 



Lion, 395. 



Liquefaction, 493. 



Liquid, 196. 



Liquid adhering to a solid, 478. 



Liquidity, 475. 



Liquids, 425, 470, PL 39. 



Loaded chain, PL 11. 



Loaded cylinder, PL 3. 



Loaded waggon, PL 3. 



Lock filled from a reservoir, 214. 



Locomotive engine, 272- -275. 



Log, 86, PL 22. Hydraulic log, 243. 



Logarithmic circle, PL 7. 



Logarithmic curve, PL 10. 



Logarithms, 82, 206, 458. 



Lohmeier, 285. 



London, 356, 547. 



Longitude, 192, 425, 431, 461. 



Longitudinal sounds, 297. 



Looming, 346. 



Louis XV., 460. 



Lowitz, PL 29. 



Low water, 442. 



Lucernal microscope, 333. 



Lucid disc micrometer, 337- 



Luc. See Deluc. 



Lucretius, 12, 44, 183, 389, 458. 



Luminous bodies, 320. 



Lunar globe, 423. 



Lunar motions, 413, PL 34. 



Lunar observations, 431. 



Lunar rainbow, 347. 



Lunar volcanos, 565. 



Lute, 312. 



Lycopodium, 478. 



Lyonnet, 466. 



Lyra, 395. 



Lyre, 311, 315. 



Machin, 191. 



Machine for measuring strength, 116. 



Machinery, 132, PL 14. 



Machinery of fluids, 241. 



Machines, 68. 



Maclaurin, 50, 62, 191, 247, 280, 281 ; b. 1698, 

 d. 1746. 



Macrobius, 442. 



Madeira, 547. 



Magdeburg hemispheres, 207, 483. 



Magic lantern, 333, 375. 

 I Magnet, 534, 535, 581. 

 I Magnetical attractions and repulsions, 533. 

 1 Magnetical curves, PL 41. 



Magnetical effects, PI. 41. 



Magnetical paste, 538. 



Magnetical substances, 532. 



Magnet in a globe, 535. 



Magnetism, 531, 586. 



Magnetism by induction, 535. 



Magneto-electric machine, 541. 



Magnifier. Double magnifier, 336. 



Magnifying powers, 330. 



Magnifying powers of telescopes, 334, 336. 



Magnitude of the planets, PL 34. 



Magnitude of the stars, 389. 



Mair, 583. 



Mairan, 399. 



Maire, 335. 



Malebranche, 380. 



Malta, 450. 



Malus, 371. 



Mammalia, 574. 



Manchester, 18?. 



Mandoline, 312. 



