7U 



INDEX. 



Mannichfaltigkeiten, II. 

 109. 



Manoeuvres of ships,II.?39. 



Manometers, II. 461. 



Manometry, II. 4C2. 



Mansard roof.I.Pl. 13,11.42. 



Manufactures, I. 243, II. 

 141, 184. 



Manures, II. 519. 



Maple, II, 513. 



Map of the world, I, PI. 42, 

 43. 



Maps, II. 3r4. 



Marat, II. 296, 384, 416. 



Marble, I. 230, 231,11.175. 



Marbles, II. 210. 



Marc, 11. 161. 



Marcellus, I. 58, 210, 242. 



Marcliand, II. 2 IT. 



Marchetti, II. 168. 



Marc of Charlemagne, II. 

 161. 



Marie, II. 130. 



Marigni, I. 399. 



Marine barometer, 11. 461. 



Marine fossils, II. 490. 



Marine observations, II. 

 349. 



Marine octant, I. PI. 35. 



Marine puiup, II. 251. 



Marine quadrants, II. 245. 



Marine spencer, II. 244. 



Marine surveyor, II. 244. 



Marine worms, II. 518. 



Marjotte, I. 355, 356, 366, 

 443, 444, 477. See cor- 

 rections. I. 483, II. 112, 

 308. D. 1684. 



Mariotte's theory of halos, 

 11.3:6. 



Maritime observations, II. 

 239. 



Maritime snrveying,tII.156. 



Marias, II. 337. 



Marivetz, II. 127. 



Marly, U. 249, 250. 



Marne, II. 384. 



Marpurg, 273, 551, 554. 



Marquois's scales, I. 102, 

 PI. 6. 



Mars, I. 507, 534, PI. 32, 

 33, II. 834, 372. 



Marsden, II. 367. 



Jlarsh, II. 233. 



Marshes, II. 199. 



Marsigli, II. 292, 365. 



Martial flowers of sal am- 

 moniac, II. 323. 



Marsupium nigrum, II. 

 600, 601. 



Martenson, II. 414. 



Martin, II. 126, 157, 249, 

 256,288,292,415. 



Marline, U. 126, 386. 



Martini, II. 567. 



Martinierc, II. 366. 



Martinique, II. 166. 



Marum. See Van Marum. 



Mascheroni, II. 118, 177. 



Maseres, II, 116. 



Maskelyne, I. 493, 575, 

 PI. 28,11. 148, 150,360, 

 363, 370, 473, 672, 674. 



Mason, II. 362. 



Masonry, II. 174. 



Masses, I. 50. 



Masses in motion, II. 134. 



Masses of the planets, II. 

 372. 



Mass of iron, 11. 501, 



Masts, I. 149, II. 178, 241. 



Material bodies, II. 618. 



Materials for building, 11. 

 174. 



Materials for manufac- 

 tures, II. 184. 



Mathematical machines, II. 

 146. 



Mathematical mechanics, 

 11. 142. 



Mathematical society of 

 Bohemia, II. 110. 



Mathematical symbols, II. 

 555. 



Mathematici veteres, I.?40, 



242, II. 113. 

 Mathematics, II. 1, 112, 



124, 130. 

 Matrass, II. 189. 

 Matrix, I. 122, II. 158. 

 Mattaire, II. 217. 

 Matter, 1. 605, 11. 131, 377. 



Impenetrabilityof matter, 



1.28. 

 Matter of fire, II. 383. 

 Matthesius, I. 356, II. 263. 

 Matting, II. 188. 

 Maty, II. 106. 

 Maunoir, II. 279. 

 Maupertuis, I. 21, 495, 11. 



112, 140,339,362. 

 Maurolycus, I. 474, 483. 

 Mawe, II. 511. 

 Maxima, II. 338. 

 Maxima and minima,II.172. 

 Maxima of curves, II. 123, 



133. 

 Maximum, II. 8. De qui- 



busdammaximis, II. 123. 

 Maximum of eflfect, II. 54, 



140. 

 Maximum of heat, II. 387, 



388, 389. 

 Maximum of labour,II.1 66. 

 Maxwell, II. 611. 

 Mayer, I. 602, 749, 751, 



756, II. 112, 332, 336, 



341, 373, 375, 384, 393, 



427, 438, 473. T. Mayer, 



B. 1723, D. 1762. 

 Mazdas, 1. 480, II. 625. 

 M. B. Library of the 



British Museum. 

 M'Culloch, I. PI. 41. 

 Mean depth, II. 61. 

 Mean image, II. 76. 

 Mean of observations, II. 



116,346,347. 

 Mean tones, II. 554. 

 Measure. Common mea- 

 sure, II. 13. 



Measure»e4»t of angles, II. 



143. 

 Measurement of light, II. 



288. 

 Measurement of refractive 



powers, II. 282. 

 Measurement of the earth, 



I. 593, II. 358. 

 Measurement of transpar- 

 ency, II. 282. 



Measurements of degrees,!. 



570. 

 Measure of force, I. 79, II. 



139. 

 Measure of speech, II. 270. 

 Measures, II. 146, 180. 



Hydrodynamic measures, 



II. 235. 



Measures of atmospheri- 

 cal electricity, II. 485. 



Measures of heat, 1. 646, II. 

 383. 



Measures of the undula- 

 tions of light, II. 640. 



Measures of lime, II. 196. 



Measures of various coun- 

 tries, II. 152. 



Measures of wind, II. 

 244, 455. 



Measuring, I. 93. 



Measuring a ship's way, II. 

 244. 



Measuring distances, 11. 

 156. 



Measuring earthquakes, II. 

 ,492. 



Measuring heat, II. 408. 



Measuring heights, II. 396. 



Measuring instruments, I. 

 111,11. 155. 



M^chain, II. 149, 674. 



Mechanical arts, II. 124. 



Mechanical ccntres,II.136. 



Mechanical curves, II. 122. 



Mechanical force, I. 79. 



Mechanical paradox, II. 

 184. 



