ON ELECTRICITY IN MOTION. 529 



LECT. LIV. ADDITIONAL AUTHORITIES. 



Excitation of Electricity. By simple contact. Weber, Korper ohne Reiben zu 

 Elek. 1781. Bennet, Ph. Tr. 1787, p. 26; Nich. Jour. 8vo. i. 144, 184. Haiiy 

 sur FElect. de la Pression, Ann. de Ch. v. 95. Becquerel, ibid.xxii. 91. 



By Friction. Hauksbee, Ph. Tr. 1705, p. 2165. Gray, ibid. 1735, p. 166. 

 Symmer, ibid. 1759, p. 308. Beccaria, ibid. 1766, p. 105. Bergmann, Schwed. 

 Abhand. xxv. p. 344. Henley, Ph. Tr. 1774, p. 389 ; 1777, p. 122. Wilcke, De 

 Electr. contrariis, Gott. 1790. Ritter, Das Elektr. System der Korper. Pereyro, 

 Arch, de 1'Electr. ii. 395. Lists of substances which, under certain conditions, 

 produce certain kinds of electricity, will be found in Erxleben's Naturlehre by Lich- 

 tenberg, and in Cavallo's Treatise on Electr. 



By Steam. Lavoisier and Laplace sur 1'Electr. qu' absorbent les Corps qui se 

 reduisent en Vapeurs, Hist, et Mem. 1781, p. 292, H. 6. Volta, Del Modo di 

 render sensibilissima la piu Debole Elettr. Appendice Ph. Tr. 1782, p. 274. Me- 

 teorologische Briefe, Leipz. 1793, p. 193. Bennet, Ph. Tr. 1787. Erman, Abhand. 

 der Ak. zu Berlin, 1814, p. 123. Pouillet sur FElectr. des Fluides Elastiques, Ann. 

 de Ch.xxxv. 365, 401. Armstrong, Ph. Mag. xvii. 370, 452, xviii. 51, 328, xx. 5, 

 xxii. 1, xxiii. 194. Pattinson, ibid. xvii. 376, 457. Schafhautl, ibid. xvii. 449, 

 xviii. 14, 95, 265. Williams, ibid, xviii. 93. Faraday, Ph. Tr. 1843, p. 1. 



Electrical Apparatus. Bohnenberger's Elektrisirmaschinen, Stuttg. 1784. 

 Guttle, Instrumenten Kabinet, 1790. Kunze, Schauplatz der Gemeinniitzigen Ma- 

 schinen. 



Electrical Machines. Otto v. Guericke, Experimenta Nova de Vacuo Spatio, 

 Amst. 1672, p. 140. Hauksbee on a Glass Globe lined with Sealing Wax, Ph. Tr. 

 1708, p. 219. Hausen, Novi Profectus in Historia Electr. 4to, 1743. Winkler, 

 Descriptio Pyrorgani sui Electr. Ph. Tr. 1747, p. 497. Faure, Congetture intorno 

 alia Mach. Elettr. 4to, Rome, 1747. Espinasse, Ph. Tr. 1767, p. 186. Leroy, A 

 Machine for producing both Species of Electr. Hist, et Mem. 1772, I. 499, H. 9. 

 Nooth on the Cushion and Flap, Ph. Tr. 1773, p. 333. Nairne, ibid. 1774, p. 79, 

 and Treatise on do. 1787. Planta's Plate Machine, Allg. Deutsche Bibliot. xxiv. 

 549. Ingenhousz, do. Ph. Tr. 1769, p. 659. Schmidt, Beschreibung einer Elek. 4to, 

 Berlin, 1778. Langenbiicher, do. Anspach, 1780. Bohnenberger, 1784. Rouland, 

 Description des Machines a Taffetas, Amst. 1785. Van Marum, Description d'une 

 tres Grande Machine, 4to, Haarlem, 1785. Nicholson's Exp. Ph. Tr. 1789, p. 265. 

 Cuthbertson, Beschreibung einer Elektrisirmaschine von Deimann und Trostwyk, 

 Leipz. 1790. Wolff's, Gilb. Ann. xii. 597. Wolfram's, ibid. Ixxiv. 53. Hare's, 

 Sturgeon's Ann. i. 487. Page's, Silliman's American Journal, xxvi. 110. Dujar- 

 din's, Ann. de Ch. N. S. ix. 111. 



Jars and Batteries. Kriiger, Geschichte der Erde, Halle, 1746, p. 177, announces 

 the discovery of Von Kleist, of the power of charged glass. (Cuneus) Musschen- 

 broek, Hist, et Mem. 1746, p. 2. Winkler, Die Starke der Elekt. Kraft des 

 Wassers, Leipz. 1746. Wilcke, Schwed. Abhand. 1758, p. 241 ; 1762, pp. 213, 

 253. Wilkinson on the Ley den Phial, 1798. Dana, Schweigg. Jour, xxiii. 257. 



Electrophorus. Volta, Lettere sul Elettroforo Perpetuo, Scelta di Opusculi 

 Interessanti, Milan, viii. 127 (1775), ix. 91, x. 37. Wilcke, Schwed. Abhand. 1777, 

 pp. 54, 116, 200. Ingenhouss, Exp. and Theory of do. Ph. Tr. 1778, p. 1027. 

 Henley, ibid. 1778, p. 1049. Kraft, Acta Petr. 1771, p. 154. Achard, Hist, et 

 Mem. de Berlin, 1766, p. 162. Klindworth, Goth. Mag. i. II. 35. Lichtenberg, 

 ibid. i. II. 42. Weber, Beschreibung des Luftelektrophorus, Augsb. 1779. 



Condensers. Volta on the Method of rendering very sensible Small Degrees of 

 Electr. Ph. Tr. 1 782, p. 237. Cavallo on manifesting Small Quantities of Electr. ibid. 

 1788, p. 1. His Collector, ibid. 1788, p. 255. Cuthbertson, Nich. Jour. ii. 281. 

 Read, ibid, ii. 495. Bohnenberger, Beschreibung Elektritatsnerdoppeler, Tubing. 

 1798. 



Electrometers, Sfc. D'Arcy's Electr. Hist, et Mem. 1749, p. 63, H. 7. Rich- 

 mann's, Nov. Com. Petr. iv. 301. Comus's, Jour, de Phy. vii. 520. Canton's, 

 Ph. Tr. xlviii. 350, 780. Cavallo's, ibid. 1777, p. 388; 1780, p. 15. Brooke's, 

 ibid. 1782, p. 384. Saussure's, Voyages, ii. 202. Deluc's, Nouvelles Idees sur la 

 Meteorologie, p. 397. Lawson's, Ph. Mag. xi. 251. Marechaux's, Gilb. Ann. xv. 

 93, 99 i xvi. 115, xix. 476, xx. 357, xxii. 318, xxv. 4, 18, xxvi. 29, 123. Behrens's, 

 ibid. <xxiii. 24. Bohnenberger's, ibid. Ii. 390. Oersted's, Pogg. Ann. liii. 612. 

 Harris's, Ph. Tr. 1836, p. 447. 



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