IKDEX. 



695 



Coantcrpressure of fluids, 



1.324, PI. 21,11. 237. 

 Country measure, II. 150. 

 Couraus magnetiques, II. 



4.S6. 

 Cours d'architecture rurale, 



II. 519. 

 Course of rivers, II. 225. 

 Courtivron, II. 205, 230. 

 Cousin, II. 119, 325: 

 Coventry, II. 626. 

 Coventry's scales, I, 112. 

 Covering houses, II, 179. 

 Cowley, II. 117, 123. 

 C. Petr. II. 108. 

 Crabtrie, 11.331. 

 Cracking, I. 643. 

 Craig, II. 120. 

 Crane, I. PI. 17. 

 Cranes,!. 208 . . 210,11.198. 

 Cranks, I. 173, 193, 335, 



PI. 14, II. 182. 

 Cramer, II. 489. 

 Crampton, II. 678. 

 Crape, I. 186, II. 187. 

 Crape micrometer, II. 289. 

 Crawford, I. 651,750, II. 



38), 391, 408, 508. D. 



1795. 

 Crayons, I. 95, II, 142. 

 Creation, II. 498. 

 Credibility, II. 117. 

 Crell.II. 110. 

 Cressy, n. 263. 

 Crested fringes, II. 640, 



643. 

 Creve, I. 752, II. 427. 

 Crichlon, II. 399. 

 Cricoid cartilage, I. 400. 

 Croesus, I. 238. 

 ■Cromorn pipe, I. PI. 26. 

 Croonian lecture, II. 671. 

 Cropping cloths, II. 188, 

 Crosier, I. 498. 

 iCross attending the moon, 



II. 304. 

 Cross bows, II, 207. 



Cross hair, IT. 351. 

 Cross stitch, II. 189. 

 Cross wires, II. 290. 

 Crotalaria, II. 185. 

 Crotch, II. 280. 

 Croune, I. 719, 756. 

 Crow, II. 210. 

 Crown, I. 497. 

 Crown wheel, I. .177, PI. 



15. 

 Croy. Due de Croy, II. 566. 

 Cruiksliank, I. 753. 

 Crushing a column, I. 145. 

 Crusius, 11. 126. 

 Crutch scapement, I. 194. 

 Cryptogamous plants, I. 



726. • 

 Crystalline gland, II. 599. 

 Crystalline lens, 1. 448,451, 



II. 82, 311, 525, 530, 



552, 592, 597, 605. 

 Crystalline zone, II. 605. 

 Crystallization, I. 628, 642, 



695,724,11.321,511. 

 Crystals, I. 445, IL 383, 



511. 

 Ctesibius, I. 242, 253, 353, 



366, 404, 407. II. 293, 



385. Fl. 135. B. C. 

 Ctesiphon, I. 233, 253. 

 Cube, II. 17. 



Cube in perspective,t.Pl. 8. 

 Cubic equations, II. 115. 

 Cubit, II. 152. 

 Cubit of the Nile, II. 148. 

 Cuff, II. 235. 

 Cuffnells, II. 24L 

 Culinary heat, I. 637, II. 



282. 

 Cullen, I. 740. 

 Cultivation, II. 519. 

 Cultivator, II. 212, 213. 

 Cumana, IL 501. 

 Cumberland, II. 147. 

 Cumming, I. 196. PI. 16. 



II. 191, 195. 

 Cunn, II. 117, 



Cupping, I. 274. 



Curr, II. 258. 



Current, I. 587. 



Current at the .Straights, 



I. 708. 



Current of air, II. 193. 

 Currents, II. 458. 

 Currents of air from elec- 

 tricity, I. 665. 

 Curtius, I. 238. 

 Curvature, II. 22, 120. 

 Curvature of an ellipsis, II. 



23. 

 Curvature of an image, I. 



419,425, 429, PI. 28. II. 



76. 

 Curvature of a rod, I. 139. 

 Curvature of a spring, II, 



168. 

 Curvature of a surface, II. 



650. 

 Curvature of chords, II. 



267. 

 Curvature of the earth's 



surface, II. 359. 

 Curvature of the sky, II. 



313. 

 Curvature of the surface of 



a fluid, I. 621. 

 Cbrve cutting others, II. 



120. 

 Curve described by light, 



II. 300. 



Curved surfaces, II. 123, 



227, 650. 

 Curve line, II. 9. 

 Curve of equable descent, 



II. 226. 

 Curve of equal pressure, II. 



227. 

 Curves, II. 22, 120. 

 Curves of descent, II. 227. 

 Cusanus, II. 558. 

 Cushion, I. 680. 

 Cuthbertson, I. 342, PI. 24, 



II. 254, 416, 432. 

 Cutlery, II. 207. 



Cutting, II. 279. 

 Cutting cloth, 11. 188. 

 Cutting combs, II. 210. 

 Cutting glass, II. 210. 

 Cutting instruments, 1. 227, 



II. 207, 308. 

 Cutting screws, II. 210. 

 Cutting straw, II. 208. 

 Cuttlefish,!. 95. 

 Cuvier, II. 601. 

 Cyanoraeter, 11. 474. 

 Cycloid, I. 44, PI. 1, 10, 



II. 34, 51, 122 . . 124, 



132, 226, 281, 558. 

 Cycloidal curves, II. 555. 

 Cycloidal paths, I. 527. 

 Cycloidal pendulum. 1. 197, 



PI. 2, II. 34. 

 Cygnus, I. 496. 

 Cylinder, 11. 17, 40, 123, 



Double cylinder, I. 67. 

 Cylinder of an electrical 



machine, I. 680. 

 Cylinder rolling upwards, 



II. 134. 

 Cylinders, I. 228, II. 135. 

 Cylinder with a thread 



round it, II. 138, 139. 

 Cylinder scapement, I. 195, 

 Cylindrical vaulting, II. 



177. 

 Cylmdroids, II. 20, 122, 



Sec corrections. 

 Cymbal, I. 401. 

 Dakar, II. 324. 

 Dalby,!!. 301, 

 Dalembert, I. 60, 250, 253, 



360, 366, 406, 480, 483, 



II. 130, 219, 273, 322, 



541, 454. B. 1717. D. 



1783. 

 Dalibard, II. 415. 

 Dallebarre, II. 285. 

 Dalton, I. 370, 613, 639, 



706 . . 708, 753, II. 

 266, 393, 398, 400, 409, 

 447, 466, 467, 470, 



