ISXIF.X. 



70S 



Goniometrical line5,II.121. 

 Goodwin sands, n. 495. 

 Gordon, 11. 126, 240, 617. 

 Gorlaeus,II. 747, 756. 

 Gotliaischcs magazin, II. 



112. 

 Gothic arch, II. 177. 

 Gothic architecture, I. 166, 



245. 

 Gothic roof, I. PI. 12. 

 Gottingen. Society of Got- / 



tingen, II. 108. 

 Goudin,II. 120,346. 

 Gough, II. 206. 

 Goussicr, II. 127. 

 Governorfor a steam engine, 



II. 133. 

 Governor of motion, II. 



182. 

 Graduation, II, 145. 

 Grafting, I. 729, II. 514, 



519. 

 Graham, I. Ill, 195, 199, 



602, 604, II. 148. 

 Grain, I. 124, II. 161. 

 Grains, K. 164. 

 Gramme, I. 124, II. 161, 



102. 

 Granaries, II. 180. 

 Grand Duke's cabinet, II. 



387. 

 Granite, I. 230, 231. 

 Graphometer, II. 145. 

 Grate, II. 419. 

 Grave harmonics, I. 391, 



406, II. 544. 

 Gravesande. See S'Grave- 



sande. 

 Gravimeter, II. 232. 

 Gravitating bodies, II. 45, 



339. 

 Gravitation, I. 30, 37, 515, 



618, 598, 614, 660, PI. 



34, II. 32, 137, 339, 379. 

 Gravitation of light, I. 460. 

 Gravities. Specific gravi- 

 ties, 11.59,231. 



VOL. JI. 



Gravity, I. 745, II. 136, 



338, 377. 

 Gray, II. 215, 414, E. W. 



Gray, II. 531. Stephen 



Gray, I. 750, 756, II. 



414. D. 1736. 

 Grease, II. 170. 

 Greasing wood, II. 228. 

 Greuthead's life boat, II. 



242. 

 Greaves, II. 152. 

 Grecian year, I. 539. 

 Greek money, II. 160. 

 Greeks, L 98, 236, 591. 

 Greek weights, II. 162. 

 Green corona of plants, II. 



513. 

 Green matter, II. 514. 

 Greenwich, I. 610, II. 



360. 

 Gregorian calendar, I. 



540. 

 Gregorian telescope, I. 429, 



PI. 28. II. 79. 

 Gregory, I. 476, 598, II. 



118, 120, 121, 124, 128. 



D. Gregory, II. 280, 



324. J. Gregory, II. 280. 



O. Gregory, II. 325, 



Pope Gregory, I. 404, 



407, 539, II. 568. 

 Gren, II. Ill, 128. 

 Grenades, II. 363. 

 Greville, 11.674, 676. 

 Grew, II. 512. 

 Gridiron pendulum, I. PI. 



16. 

 Grimaldi, I. 437, 467, 476, 



483, II. 280, 319, 538, 



621,629,640, 6)3. 

 Grinding, I. 229, II. 210, 



214. 

 Grinding glasses, II. 283. 

 Grindstones, II. 210, 383. 

 Gripe for carriages, II..203. 

 Gripe or hand, II. 181. 

 Grobcrt,II. 201. . 



4 



Groignard, II. 239. 

 Gros, II. 161. 

 Gross, II. 416, 486. 

 Ground for etching, II. 



158. 

 Ground sliding away, II. 



176. 

 Groups of stars, I. 494. 

 Growth, I. 695. 

 Growth of animals, II. 



424. 

 Growth of plants, II. 513. 

 Grueher, II. 296. 

 Gruener, II. 450. 

 Gryllus gryllotalpa, II. 678. 

 Gualtieri, II. 480. 

 Guden, II. 485. 

 Guericke, I. 274, 340, 355, 



366, 749, 756, II. 220, 



253. B. 1602, D. 1686. 

 Guetle, II. 128, 430. 

 Guettard, II. 513. 

 Guglielmini, I. 355, 366, 



II. 224. B. 1655, D. 



1710. 

 Guiana, II. 447. 

 Guido of Arezzo, I. 405, 



407. Fl. 1026. 

 Guitar, I. 398,11. 552. 

 Guldinus, I. 247. 

 Gulf stream, I. 587, II. 



459. 

 Gun, I. 350, II. 262, 

 Gun barrels, II. 211, 262. 

 Gun carriage, II. 263. 

 Gun flints, II. 263. 

 Gun locks, II. 262. 

 Gunnery, I. 40, II. 132, 



227, 259, 263. 

 Gunny bags, II. 190. 

 Gunpowder, I. 134, 349, 



.354, II. 167, 210, 255, 

 263. 

 Gunpowder aic gun, II. 



262. 

 Guns, II. 259. 

 Guuter, I. 248, 853, 747, 



II. 338. B. 1581, D. 



1626. 

 Gunter's scale, I. 107, II, 



146. 

 Gurney, I. 143. 

 Gutenberg, I. 246, 253, 



11.217, 218. 

 Guthrie, II. 366, 395. 

 Guyot, I. 746. 

 Guycon, I. 754, II. Ill, 



196, 169, 677, 678. See 



Morveau. 

 Gwynn, I. 335, PI. 23. 

 Gymnotus electricus, I. 



677, II. 436. 

 Gyration, II. 52, 379. 

 Haarlem Society, II. 109. 

 Haas, II. 204. 

 Haasius, II. 279. 

 Hackling, II. 185. 

 Hadley, I. 701, 749. D. 



1744. 

 Iladley's instrument, II. 



350. 

 Iladley's quadrant, I. 542, 



PI. 35, II. 76, 146, 282. 

 Haellstroem, II. 391. 

 Haeseler, II. 311, 460. 

 Hafniensis univcrsitas, II. 



108. 

 Hail, II. 478. 

 Hailstones, II. 478. 

 Hair, U. 184, 484, 634. 

 Hair hygrometer, I. 709. 

 Hairs of felts, II. 190. 

 Hairworfc, U. 188. 

 Hales, I. 356»II. 252, 264, 



512, 516. B. 1677, D. 



1761. 

 Haley, I. 196. 

 Halifax, I. 249. 

 Hall, I. 478, 483, II. 127, 



323. 

 Halle, II. 141, 275. 

 Haller, II. 311, 516, 524. 

 Ilalley, I. 249, 490, 511, 



613, 514, 522, 544, 597, 



