6480 Various Agents, Effect Telegraphy Forms of Telegraphs 6480 



and duplex telegraphy. Vianisi, L. J. Tel. 



11 (1887) 107-, 134-, 150- ; 13 (1889) 149-. 

 , French-English and French-Belgian 



lines. Toussaint, H. A. Tel. 22 (1895) 349-. 

 quadruplex telegraphy. Gattino, . J. 



Tel. 11 (1887) 86-. 



Direction of current, effect. Faure, E. A. T61. 



4 (1877) 64-. 

 Discharger. Zantedeschi, F. Yen. At. o (1854) 



181-. 

 Disturbing effect of single point of derivation. 



Discher, H. J. Tel. 3 (1877) 533-. 

 Dynamos, use. Schwendler, L. [1879-80] 



Beng. As. S. J. 49 (1880) (Ft. 2) 1-, 167-. 

 , . Hospitaller, E. Lum. Elect. 2 (*1880) 



92-. 

 , . Guerout, A. Lum. Elect. 3 (*1881) 



380-. 



, . Rothen, . J. Tel. 8 (1884) 129-. 

 , . Maver, W. M. A. Tel. 15 (1888) 262-. 

 Earth currents. Cauderay, H. Laus. Bll. S. 



Vd. 8 (1864-65) 352-. 

 . Nosworthy, W. F. Tel. E. J. 11 (1882) 



382-. 

 , Atlantic. Raymond-Barker, E. J. de 



Ps. 8 (1899) 486-. 

 , Germany. Stephan, von. Berl. Ak. 



Sb. (1886) 787-. 

 , India. Walker, E. 0. [1884-93] Tel. 



E. J. 13 (1884) 601- ; 17 (1889) 239- ; I. 



Elect. E. J. 20 (1892) 340- ; 22 (1894) 214-. 

 , method of obviating effects. Elphinstone, 



H. W. Ph. Mg. 18 (1859) 339-. 



and telegraphic currents. Lamont, J. 

 Wien Z. Met. 2 (1867) 1-. 



, imperfect, in telegraph lines. Kennelly, A. 

 E. [1889] I. Elect. E. J. 18 (1890) 129-. 



plates, buried, action. Lockey, F. [1844] 

 Walker Electr. Mg. 1 (1845) 279-. 



, dimensions, etc., influence on earth 

 currents. Dumoncel, T. [A. L.] C. E. 53 

 (1861) 142-. 



, quantitative mode of testing. Ayrton, 



W. E. Beng. As. S. J. 40 (pt. 2) (1871) 

 177-. 



, secondary polarisation. Dufour, L. 

 Arch. Sc. Ps. Nt. 26 (1866) 35-. 



, unpolarisable, construction. Dorn, . 



Elekttech. Z. 8 (1887) 425-. 



EFFECT OF VARIOUS AGENTS. 



atmospheric electricity. Henry, J. Am. Ph. 

 S. P. 4 (1847) 260- ; Silliman J. 3 (1847) 

 25-. 



(subterranean lines). Massmann, . 

 (xn) Elekttech. Z. 1 (1880) 93-. 



. Vaschy, . A. Tel. 14 (1887) 465-. 



and aurora. Kerkwijk, J. J. van. 

 's Gravenh. I. Ing. Vh. 14 (1865) 38-. 



aurora. Lacoine, E. C. B. 70 (1870) 1008. 

 fog. Selmonna, L. Cosmos 3 (1866) 393-. 

 lightning. Varley, S. A. B. A. Bp. 40 (1870) 



(Sect.) 28-. 

 . Graves, J. Tel. E. J. 12 (1883) 34-. 



lightning (Switzerland). Rothen, . J. Tel. 



8 (1884) 65-, 85-, 105-. 

 magnetic and electric processes. Salis, P. von. 



[1882] (xn) Graub. Nf. Gs. Jbr. 26 (1883) 



38-. 

 natural electricity. Baumgartner, A. von. 



Wien SB. (1848) 270-. 

 storm, May, 1860, Tirlemont. Vinchent, 



Brux. Ac. Bll. 10 (1860) 56-. 

 storms. Casselmann, W. T. Pogg. A. 73 



(1848) 609-. 



(subterranean lines). Blavier, E. E. A. 

 Tel. 12 (1885) 177- ; C. B. 100 (1885) 1534-. 



temperature and pressure (submarine cable 



cores). Bright, C. [1888] Tel. E. J. 17 



(1889) 679-. 

 ( ). Deries, A. A. Tel. 16 



(1889) 219-. 

 tramway currents. Voller, A. Hamb. Ws. 



Anst. Jb. 12 (1895) 121-. 

 (submarine cables). Trotter, A. P. 



[1897] I. Elect. E. J. 26 (1898) 501-, 515-. 

 ( ). Jamieson, A. Glasg. I. Eng. 



T. 43 Q900) 187-. 

 ( ). Jamieson, A. let alii). Elect. 



44 (1900) 712, etc. 



Electrification of an island. Jenkin, F. Am. 



J. Sc. 50 (1870) 148-. 

 Electrolysis applied to telegraphy. Pick, H. 



[1865] Wien Schr. 6 (1867) 1-. 

 Electromagnetic machines, use. Rothen, . 



A. Tel. 11 (1884) 343-. 



Equation for telegraphists. Poincare, H. C. 



B. 117 (1893) 1027-. 



: . Le Roux, . C. B. 124 (1897) 143-. 



Expedition to El Golea. Voisenat, J. A. Tel. 



21 (1894) 379-, 499-. 



FORMS OF TELEGRAPHS. 



acoustic. Zehnder, L. Freiburg B. 9 (1895) 



176-. 

 , Wilde's. Geraldy, F. Lum. Elect. 2 



(*1880) 390-. 

 alphabetical. George, E. Lum. Elect. 4 



(*1881) 123-. 

 auto-kinetic. Rowan, F. J. [1878] Sc. S. 



Arts T. 10 (1883) 44-. 

 automatic. Wheatstone, (Sir) C. C. B. 48 



(1859) 214-. 



. Bergon, L. A. Tel. 3 (1860) 113-. 

 . Culley, R. S. [1872] Tel. E. J. 1 (1872- 



73) 39-. 

 , high speed, America. Taylor, T. F. 



Dingier 253 (1884) 502- . 

 _, , chemical. Barney, W. C. Tel. J. 



2 (1874) 44-. 

 , Leggo. Raskins, C. G. Lum. Elect. 14 



(1884) 441-. 

 , limit to speed. Moon, W. Tel. J. 23 



1888) 156-. 

 .Meyer's. Palaz, A. Lum. Elect. 34 (1889) 



251-. 

 , Wheatstone's. Careme, F. A. Tel. 3 



(1876) 397-. 

 , , experiments. Aylmer, J. A. Tel. 6 



(1879) 558-. 



855 



