INDEX. 



699 



Dutch weights, 11. 160. 

 Dutens, II. 105, 217. 

 DUtour, 1. 480, 483, II. 417, 



653, 654. 

 I Dutrone, II. 519. 

 Duverncy, II. '271. 

 Dying, II. 188. 

 Dynamoraeter,I.127,II.105. 

 Eagle, II. 311. 

 Ear, I. 387, PI. 25, II. 271, 



574. 

 Earnshaw, I. 197, 198, PI. 



16, II. 191, 195. 

 Earth, I. 161, 507, 720, II. 



172, 220, 358, 371, 372. 

 Earth as a planet, II. 333. 

 Earthenware, I. 223, II. 



217. 

 Earthquakes, I. 716, 717, 



745, II. 490. 

 Earths, II. 677. 

 Earth's axis, II. 364. See 



corrections. 

 Earth sinking, II. 495. 

 Earth's motion, II. 358, 



376. 

 Earth's radius, II. 364. See 



corrections. 

 East, 1. 500. 

 Easter, II. 349. 

 Easterly wind, I. 702. See 



corrections. 

 Eastern le.irniiig, I. 236. 

 ' Ebhing well, II. 479. 

 Eberhard, II. 110, 126, 320, 



376, 436. 

 Ebert, II. 127. 

 Ebullition, II. 396. 

 Eccentricities of the pla- 

 nets, II. 372. 

 Eccentric wheels,!. 178.PI. 



15. 

 Ecclesiastical music, 1. 404. 

 EcJiO, I. 374, II. 542. 

 , Echometer, II. 279. 

 Echos, II. 266. .' 

 Eckhardt, 11. 211, 237. 



Eckstrand, II. 496. 

 Eclipses, I. 528, PI. 34. 11, 



345, 374. 

 Fclipsts of Jupiter's satel- 

 lite?, II. 346. 

 Ecliptic, I. 503, 524, 11. 



334. 

 Ecole polytechnique.Elcvcs 



do I'ccolc polytechnique, 



II. 280. 

 Economy of heat and cold, 



II. 410. 

 Economy of motion, II. 



182. 

 Ecphantus, II. 377. 

 Eddies, II. 2-22. 

 Eddystone, I. 159, PI. 11, 



II. 174. 

 Edge tools, II. 207, 208. 

 Edgcworth, I. 306. ' 

 Edifices of particular kinds, 



II. 180. 

 Edinburgh, II. 399. Society 



of Edinburgh, II. 108. 

 Edinburgh medical essays, 



II. 312. 

 Ed. tr. II. 109. 

 Edward, I. 354. 

 Edwards, II. 157. 

 Effect ot a stream, II. 62. 

 Effect of macliines, II. 54. 

 Effects of cold, II. 386. 

 Effects of heat, I. 639, II. 



385, 399. 

 Effects of light, II. 320, 



321. 

 Effects ofmachincs, II. 141. 

 Effects of sound, I. 378,11. 



269. 

 Effervescence, II. 440. 

 Eft;, II. 516. 

 Egelin, II. 415. 

 Egg, I. 734. 

 Eggers, II. 489. 

 Eggs, II. 424. 

 Egypt, I. 236, II. 498. 

 Egypte, II. 111. 



Egyptian measures, II. 148. 

 Egyptian system, I. PI. 38. 

 Egyptian year, I. 639, II. 



349. 

 Eichen, II. 480. 

 Eimcr, II, 155. 

 Eintraechtige frcunde, II. 



111. 

 Eisenschmidius, II. 358. 

 Elastic bar, II. 48. 

 Elastic bodies, I. 75, II. 



136. 

 Elastic curve, II. 136, 650. 

 Elastic fluids, II. 60, 260, 



396. 

 Elastic force, II. 268. 

 Elastic gum, I. 142, 145, II. 



246. 

 Elastic instruments, II. 274, 

 Elasticity, I. 28, 137, 628, 



II. 268, 379. 

 Elasticity of steam, II. 897, 



400. 

 Elasticity of the air, I. PI. 



19, II. 220. 

 Elastic joints, II. 138. 

 Elastic medium, I. 654, II. 



321. 

 Elastic pipes, I. 291. 

 Elastic plates^ I. S85. 

 Elastic rings, I. 385. 

 Elastic rods, I. 384, 11. 67, 



83. 

 Elastic rods bent, I. PI. 9. 

 Elastic springs, II. 136. 

 Elastic stones, II. 383. 

 Elastic substances, ll. 46. 

 Elastic surfaces, II. 133. 

 Elden Hole, II. 496. 

 Elective attractions, II. 659. 

 Electrical apparatus, II. 



430. 

 Electrical attraction and re- 

 pulsion, I. 678, II. 419. 

 Electrical balance, I. 683, 



PI. 40, II. 433. 

 £Iectrrcal crystals, II. 435. 



Electrical fishes, 11. 435. 

 Electrical forces, II. 417. 

 Electrical heat, II. 423. 

 Electrical kite, 11. 482. 

 Electriral lamp, If. 423. 

 Electrical tight, I. 435,670. 

 Electrical machines, I. 680. 



PI. 40, II. 43J, .133. 

 Electrical mists, 11. 48?, 

 Electrical polarity, II. 419. 

 Electrical pressure, I. 663. 

 Electrical pump, IT. 431. 

 Electrical tliermometer, II. 



423. 

 Electric current, II. 421. 

 Electric effluvia, II. 614. 

 Electric fluid, I. 659. 

 Electricity, I. 17, 685, 75a, 



II. 414, 437, 465, 479, 



431,513,519. 

 Electricity in equilibrium, 



I. 658. 

 Electricity in motion, I. 



668. 

 Electricity of a compass, II. 



445. 

 Electricity of the air, II. 



481. 

 Electrics, I. 673, II. 419. 

 Electrified spheres, I.PI. 39. 

 Electrometers, I. 682, PI. 



40, II. 420, 433. 

 Electromicrometer,II. 434. 

 Electrophorus, I. 680, PI. 



40, II. 432. 

 Electroscope, II. 433, 485. 

 Elements, II. 377, 520. 

 Elements and practice of 



naval architecture, II. 



24). 

 Elementsofrigging,II. 239. 

 Elements of the planetary 



motions, II. 371. 

 Uements of the solar sys- 

 tem, II. 372. 

 Elevation of a projectile, I, 



39. 



