INDEX. 



7^7 



Water screw, I. 329, PI. 



22, II, 250. 

 Water shovel, II. 248. 

 Water snail, I. 328. 

 Water spouts, I. 710, II. 



4"56. 

 Water wheels, I. 302, 320. 



361, PI. 22, II. 236. 

 ■ Water whirasey, I. 205, II. 



250. 

 Watson, II. 131. 

 Watt, I. 48, 06, 131, 245, 



250, 346, 348, 361 . . 



363, PI. 24, II. 259, 409, 



010. 

 Wave, II, 63. 

 Waves, I. 287, PI. 20, II. 



221, 222, 224, 458,621. 



Combinations of waves, 



I. 290. 



Wax, II. 291, 509. 

 Wax candle, I. 634. 

 Wax casts, II. 157. 

 Way, II. 151. 

 Waywiser for a ship, II. 



244. 

 Weak sight, II. 316. 

 Wearmoulh bridge, II. 



177. 

 Wears. See Weres. 

 Weather, 1. 705, II. 447. 

 Weather boards, II. 180. 

 Weather bottle, II. 456. 

 Weather clock, II, 455. 

 Weather cord, II. 468. 

 Weatherglass, II. 460. 

 Weavers, II. 217. 

 Weaver's alarm, II. 196. 

 Weaving, I. 185, II. 



187. 

 Weber, II. 384, 416, 425, 



430. 

 Wedge, I. 71, 155, PI. 4, 



II. 42, 135, 197, 209, 

 210. 



Wedge moving in water, I. 

 303. 



Wedges for stones, I. PI. 



11. 

 Wedgwood, I. 250, 253, 



648, II. 2 18, 390, 399. 



D. 1795. 

 Weeds, II. 208. 

 Weidler, I. 511, II. 304, 



324, 489. 

 Weigel, II. 105,231. 

 Weighing, I. 123. 

 Weighing macliines, I. 126, 



Pi. 9, II. 159. 

 Weighing money, II. 159. 

 Weighing ships, II. 243. 

 Weight, 1. 16, Pi. 3,11.379. 

 Weight in air, I. 38. 

 Weight of air, II. 221, 



472. 

 Weight of anituals, I. 



152. 

 Weight of a vibrating chord, 



II. 268. 

 Weight of heat, II. 414. 

 Weight of water, II. 161, ' 



386. 

 Weight on a bar, II. 44. 

 Weights, II. 159, 160, 



196. 

 Weights, ancient and 



modern, II. 162. 

 Weightsofclocks, I. 179. 

 Weissken, II. 279. 

 Weitbrecht, II. 652. 

 Welding steel, II. 207. 

 Well, II. 497. 

 Wells, II. 313, 479. 

 Were, I. 295, II. 62. 

 Weres, II. 222, 223, 234. 

 Werneburg, II. 116. 

 Werner,II. 497. 

 Wesley, II. 415. 

 West, I. 500. 

 Westerly winds, I. 703. 

 Wcslfeld, II. 320. 

 Westgarth, I. 336. 

 Westminster abbey, I. 



245. 



Westminster bridge, II. 



176, 234. 

 Wet docks, II. 233. 

 Wet leather, 1.630. 

 Wet ropes, II. 171. 

 Wex, II. 250. 

 Whale, I. 497. 

 Whalebone, II. 209, 469. 

 Whalebone hygrometer, I. 



709. 

 Whales, 11. 207,311. 

 Whararai, II, 447. 

 Wheat, I. 124, II. 151, 



167. 

 Wheel, I. PI. 1,14. 

 Wheel and axis, I. 67, 



PI. 3, II. 40, 196. 

 Wheel barometer, II. 



459. 

 Wheelbarrows, II. 166, 



202. 

 Wheel bo.its, II. 242. 

 Wheel carriages, I. 2 14, PI. 



18, 11. 201. 

 Wheel cutting machine, I. 



178. 

 Wheelcutter, I. PI. 15, IF. 



210. 

 Wheel of Orfyreus, I. PI.6. 

 Wheels, I. 213,216, II. 54, 



181, 183. 

 Wheels and pinions, I. 67. 

 Wheels of timekeepers, II. 



193. 

 Wheels with straps, I. PI. 



15. 

 Wheel thermometer, II. 



388. 

 Whcelways of iron, I. 218. 

 Wheelwork, I. 175, II. 55, 



183. 

 Whetstones, II. 210. 

 Whimsey, I. 205, II. 



250. 

 Whinstone, II. 498. 

 Whip, I. 227. 

 Wiiips, II, 189. 



Whirling table, I. 34, 261, 



PI. 1. 

 Whirlpool, I. 285. 

 Whirlwind, II, 458, 499. 

 Whispering gallery, I. 



376. 

 Whispering letters, 11.276, 



277. 

 Whistling, I. 402. 

 Whiston, II. 125, 495. 

 Whitehead, II. 350. 

 Whitehurst, I. Ill, 189, 



338, II. 146, 253, 497. 

 White lead, II. 180,214. 

 AVhite light, I. 437, II. 



296. 

 White lights, II. 146. 

 White's crane, I. 209, PI. 



17. 

 Whizzing of a meteor, II. 



265, 

 Whole number, II. 1. 

 Whydah, II. 465. 

 Wiebcking, II. 232. 

 Wideburg, 11. 285. 

 Wiedeburg, II. 337, 36«, 



474, 489, 496. 

 Wiegleb, II. 127, 264, 



080. 

 Wildcnow, II. 511. 

 Wilfrid, I. 244, 253. 

 Wilke, I. 750,751,756,11. 



426, 436, 508. 

 Wilkins, I. 253, 365, 11. 



129. B. 1614, D. 1672. 

 Wilkinson, II. 360. 

 Wilkinson, II. 419, 430, 



597. 

 William of Sens, I. 245. 

 William IV, I. 596, 604. 

 Williams, II. 361, 441, 



674. 

 Willich,II. Ill, 129. 

 Willnghby, I. 748, 750, II. 



436. B. 1635, L». 1672. 

 Wilson, I. 501, 715, PI. 31, 



II. 885, 293,415. 



