INDEX OF THE PLATES. 



ELECTRICITY. 



Battery, Prieftley's, i. 

 Teyler's, i.* 



Conftruftion of the infide conneAing 

 Frame, xv. 7. 

 Brudi, XV. 6. 

 Coiidenfers, ii. 4 — 9. 

 Configurations, vi. 

 Difchargers, iii. lO — 20. 

 Doubler, Cavallo's, iii. 21— 2 J. 

 Eleftricity, Medical, x. 13, 14. xv. 1. 

 Eleftrometer, xii. xiii. 

 Eleftrophorus, vii. & xiv. (xiv.) 1,2. 

 Experiments, Eleftrical, iv. v. vii. & xiv. 

 Flyers, Eledrical, vii. 51. 

 Inflammable Air Lamp, Volta's, vii. 55. 



Pillol, vii. 53, 54. 

 Macliine, Eleftrical 



Beccaria's, ix. 10. 



Common, ix. 11. 



Cuthbertfon's, i.* xi. [Numbered x.y 



Hawkfbee's, vii. i, 2. 



Nairne's, ix. 12. 



NoUet's, vii. 3. 



Van Marum's, ix. 18. 



Dr. Watfon's, vii. 4. 



Wilfon's, vii. 5. 

 Machines, various, viii. 

 Thunder-houfj, xv. 2, 3. 

 Tooth, Apparatus for eleftrifying, xt. i. 

 Torpedo, xv. 4, j. 



ENGINE. 



Cutters, Engine for (harpening, by Rehe, vi. i — 6. 

 Cutting Engine, by Hindley, ii. I — 3. iii. t — 5. 

 Rehe, iv. 



Dividing Engine, by Ramfden, vii xi. 



for ftraight Lines, xii. 

 Rofe Engine, or figure Lathe, by HoltzaplFell and Deyer- 



lien, iii. 6 — 12. 

 Screw of Ramfden's circular dividing Engine, for cut- 

 _ ting, X. 



Screw of Ramfden's ftraight Line dividing Engine, for 



cutting, xi. 

 Weighing Engine, by Salmon, i. [Numbered Plate II.) 



ENGRAVINGS— £ar/jr Bntijh. 



Alfred's Jewel, Engraving from 

 Anfelm's Seal, Engraving from 

 Fulbourn, William de. Engraved Brafs on the Tomb of 



FARRIERY. 

 Horfe Shoes, various 



FORTIFICATION. 

 Angle at the Center, i. i. C 

 Ballion i. i. v. o, p v.* A, B 

 Battery, ii. 1, 2. v. No. 3. v.* M. 



en Barbe, ii. 3 

 Belidor's firft Method, viii. 15. 

 Bonnet, v. m 

 3reallwork. (See Battery.) 



FORTIFICATION. 



Bridges, v. s. v.* Q 



Cavalier, i. 2, 3. 



Conftruftion, v. — vii. 



Covert-way, v. b 



Counterfcarp, v. c 



Counterguard, v. n 



Crown-Work, v. 1 vi. 2, 



Curtain, i. I. v. q 



E^hellon, iii. 1 — 4. 



Enfilade, iii. 5. 



Expenfe Magazine. [Thef.gvres are omitted) 



Field Fortification, iii. 6 — 14. 



Flank of an Army. [The figures are omitted) 



Fort, iv. 4 — 10. V. No. 4. 



Fortified Place, v. 4. 



Gabion, v.* 8. 



Gallery, v.* 7. 



Glacis, V. a v.* N, 6. 



Gorge, i. I. 



Half Moon, v. k 



Horn Work, v. f vi. i. 



Irregular Fortification, v. i. 



Line, vi. 3 — 5. 



Ijines of Circumvallation, v. 2. v.* D 



Lunette, vi. 6 — 8. 



Mantelet, vi. 9. 



Mine, V. 6. vi. 10 — 15. 



Moat, V. h v.* P 



Parallel of Arms, v.* E. F. G 



Places of Arms, v. g v.* I, O 



Polygon, i. I. 



Profile of a Fortification, v. 3. 



Rampart, v. r 



Ravelin, v. i. v.* C vii. 4. 



Redoubts, Square, v.* K vii. 5. 



Regular Fortification befieged, v.* 5. 



Sap, v. No. 5. 



Tenaille, v. d, e vii. 6 — 8. 



Tenaillon, vii. g. 



Traverfes, v.* L 



Trenches of Approach, v. No. i . 



FURNACE. 

 [See alfo Chemistry and Iron Manufacture.) 

 Air Furnace, i. I — 3. 



Common, ii. 2. 

 Black's, Dr., Furnace, ii. i. 



Portable Ditto, ii. 6 — 11. 

 Bone's, Mr., Enamelling Furnace, v. 10, n. 

 Enamelling Watch Dial Plates, Furnace for, v. 1 — 9. 

 Knight's, Mr., Furnace, ii. 3. 



Portable Ditto, ii. 5. 

 Mudiet's, Mr., Furnace, ii. 4. 



ufed by, for Experiments on Iron and Steel, 

 iii. I — 3. 

 Tobacco-pipe maker's Furnace, iii. 4, 5. 



GARDENING. 



Bark Beds and Pits, i. i — 4. 

 Confervatory and Green Houfe, ii. 1 — 6. 

 Hothoufe, iii. i — 3. 



Loudon's for Pines, iii. 3 — 5. 



