INDEX OF THE PLATES. 



HYDRAULICS. 



Hygrometer, SaufTure's, xiii. 7. 



Smeaton's, xui. i — 4. 

 Hungarian Machine, xiii. 10. 

 Jet d'Eau, xiv. i. 

 Moifture, xiv. 2. 

 Perfian Wheel, xiv. 3. 

 Pump, Chain, xiv. 8, 9. 



Ctefebe's, xiv. 7. 



Forcing, xiv. 5. 



Liifting, xiv. 6. 



Rope, xiv. 9, 10. 



Sucking, xiv. 4. 



Captain Jekyl's improved, for Ships, xv. i — 



Martin's Ditto, xv. 9. 

 Sipho Wirtembergicus, xv. 6. 

 Siphon, XV. I — 5. 



Papin's, XV. 6. 

 Springs, XV. 7. 

 Syringe, xv. 8 — 10. 

 Tantalus's Cup, xiv. 10. 

 Water Screw, xiv. 14, i^. 

 Wave, xv. II — 14. 



HYDROSTATICS. 

 Capillary Tubes, &c. i — 17. 



IRON MANUFACTURE. 

 {See alfo Chemistry £sf Furnace.) 



Crucibles, Mould for making, vii. 4 — 7. 

 Finery, ii. I, 2. 

 Forge, i. 1,2. 



Hammer, Smeaton's Machinery for, iv. i, 2. 

 Fork, Iron, ii. 6. 



Furnace, BaUing, ii. 10, 11. iii. i. j 7. 



Reverberator)-, iii. & iv. i. 

 Hammer for drawing out Bars, ii. 9. 

 Ladle, Iron, ii. 7. 

 Rollers for making Bar Iron, v. i — 4. 



Plate, V. 5, 6. 

 Rolling and Slitting Mill, vi. i — 3. 

 Stamping Iron, ii. 8. 

 Steel-converting Furnace, vii. i — 3. 



Mill for Tilting, viii. 1,2. 

 Tongs, ii. 5. 

 Tuyere Iron, ii. 4. 



LAMPS. 



Argand's, i. i — 3. 



Barton's, ii. 5. 



Kier's, i. 5, 6. 



King's Hydro-pneumatic, ii. i — 4. 



Lamp Cotton, i. 4. 



Porter's Automaton Lamp, ii. 6 — 8, 



Rolling Lamp, i. 7. 



LATHE. 



By H. Maudflay, i — 10. 



LIGHT. 



Luminous Animals. {See the Plates of Natural His- 

 tory.) 



Eddyftone, i — 8. 



LIGHT-HOUSE. 



MAGNETISM. 

 Compafs, i. I — 12. ii. 13 — 16. 

 Variation, iii. 17—22. 

 Dipping, iv. 22 — 29. 



Needle, by Dr. Lorimer, iv. 30. 



by Nairne, on Mr. Mitchel's plan, v. 

 Magnet, vi. vii. 



MASONRY. 

 Arch, Cylindric, ii. i. No. 2. 

 Cylindro-Cyhndric, ii. 2. 



Cylindroic, ii. 2. No. 2. 

 Piano Cylindroic, ii. i. 

 Mafonry, Greek, i. 6. 

 Incertain, i. 2. 

 Ifodomum, i. 3. 

 Pfeudifodomum, i. 4. 

 Reticulated, i. i. 

 Roman Empleftion, i. 5. 



MECHANICS. 

 Acceleration, i. i, 2. 

 Angle of Elevation, i. 3, 4. 

 Angular Motion, ii. i. 

 Axis in Peritrochio, i. 5 — 7. 

 Balance, ii. 8 — 11. 



Aflay, ii. 13. 

 Bent Lever, ii. 12. 

 Ballaft, ii. 14. 

 Boring Cylinders, Dixon's Machine for, xxiii. i, 2. 



Water Pipes, ii. 2 — 4. 

 Crab, ii. 5. 



Cylinder, Double, ii. 6, 7. 

 Jack, for raifing Weights, ii. 8, 9. 



Smoke, ii. 10. 

 Lever, ii. 11 — 13. 

 Projeftiles, ii. 14 — 17. 

 Capftan, iii. 15 — 21. 

 Center of Friftion, iv. 21. 



Gravity, iv. 22 — 29. v. 30 — 40. vi. 41—51. 



Gyration, vii. 52 — 54. 



Motion, vii. ^^. 



Ofcillation, vii. ^6 — 60. viii. 61 — 66. 



Percuffion, viii. 67 — 69. 



Pofition, ix. 7c — 73. 



PrefTure, ix. 74, 75. 



Rotation, ix. 76 — 80. 

 Central Forces, x. 

 Centrifugal Forces, x. 



Machine, xi. 93. 

 Centripetal Forces, x. 

 Centrobaryc Method, xi. 94 — 99. 

 Chains, xii. i — 9. 

 Clay Mill, xii. 10, II. 

 Coach, xiii. 

 Coal Meafuring, xiv. 

 Cocks, Water, xiv. 

 Collifion, XV. I — 24. 

 Colour Mill, XXXV. I — 6. 

 Comb Making, xv. I — 7. 

 Compofition of Motion, xvi. i, 2. 

 Condenfer of Forces, Prony's, xvi. 10, II. 

 Cone, Double, xvi. 7. 



