6485 Telephony 



" Sourdine," Gael-Beau (device for lessening 



noises). Beau, N. A. Tel. 15 (1888) 85-. 

 Speaking and singing condensers. Dunand, A. 



C. E. 92 (1881) 37-. 

 Specific inductive capacity. Kingsbury, J. E. 



Tel. J. 26 (1890) 363-. 

 . Safford, F. H., & Holman, G. U. G. 



Am. Ac. P. 25 (1890) 1-. 

 Stations, automatic. Estaunie, E. A. Tel. 16 



(1889) 357-, 413- , 481- ; 17 (1890) 328-, 

 451-, 532- ; 18 (1891) 421- ; 20 (1893) 108-, 

 537-. 



, direct communication between. Zetzsclie, 



E. J. Tel. 16 (1892) 235-, 253-. 

 , inclusion of 3 on same line. Zetzsche, E. 



Elekttech. Z. 6 (1885) 339-. 

 , installation. Mercadier, E. A. Tel. 18 



(1891) 385-. 

 , intermediate, installation on interurban 



circuits. Caillw, M. A. Tel. 23 (1896-97) 



543-. 

 Submarine telephony. Banare, A. A. Hy- 



drog. 10 (1888) 475-; C. E. 107 (1888) 457-. 

 . . Thompson, S. P. Elect. 31 (1893) 



439-, 473-. 



. Dearlove, A. Elect. 31 (1893) 507-. 



, conditions. Ader, . C. E. 106 (1888) 



837-. 

 Switch, automatic. Oesterreich, . Elekttech. 



Z. 8 (1887) 26-. 

 , , Sinclair's. Sack, J. Elekttech. Z. 8 



(1887) 406-. 

 , Dupretet's. Magneville, de. Lum. 



Elect. 1 (*1879) 225-. 



for intermediate stations, Hartmann and 

 Braun's. Peschel, . Elekttech. Z. 7 

 (1886) 262-. 



Switchboard, multiple. Wabner, G. Elekt- 

 tech. Z. 6 (1885) 157-. 



working. Wordingham, C. H. I. CE. P. 

 100 (1890) 354-. 



in multiple telephony. Christiani, . 



[1892] Karlsruhe Nt. Vr. Vh. 11 (1896) 



(Sb.) 166-. 

 Switchboards. Anizan, J. J. Tel. 24 (1900) 



97-. 



for exchanges. Bouchard, E. A. Tel. 17 



(1890) 193-. 



and improvements. Stephen, J. [1885J 



Sc. S. Arts T. 11 (1887) 246-. 

 Telegraphone. Poulsen, V. A. Ps. 3 (1900) 



754-; C. B. 130 (1900) 1754-. 

 . Euhmer, E. [1900] Ps. Z. 2 (1901) 1-. 



(telephonograph), Poulsen's. Simon, H. T. 

 Frkf. a. M. Ps. Vr. Jbr. (1899-1900) 79-. 



Telephone engineering. Spencer, T. Sc. Abs. 

 2 (1899) 715. 



TELEPHONE LINES. 



Evrard, F. Bv. Un. Mines 17 (1885) 363- ; 18 



(1885) 261-. 

 aerial, best arrangement of wires in. Barbarat, 



A. A. Tel. 20 (1893) 475-. 

 aluminium. Massin, . A. Tel. 25 (1899) 



200-. 

 arrangement. Pomey, J. B. A. Tel. 22 (1895) 



428-. 



Telephone Lines 6485 



Bordeaux. Bonel, A. Bordeaux S. Sc. Mm. 



2 (1886) 63-. 

 capacity, electrostatic. Vaschy, . A. Tel. 



18 (1891) 522-. 

 , . Brylinski, E. A. Tel. [19] (1892) 



97-. 

 , measurement. Anizan, J. Lum. Elect. 



43 (1892) 601-. 

 in cities. Provenzali, F. S. Em. N. Line. At. 



36 (1883) 143-. 

 common battery system. Tobler, A. J. Tel. 



23 (1899) 241-. 

 electric light wires as. Jervis-Smith, F. J. 



Nt. 58 (1898) 51. 



processes in. Wietlisbach, V. Elekttech. 

 Z. 13 (1892) 5-. 



. Franke, A. Elekttech. Z. 13 (1892) 



295-. 

 E.M.F. required to produce variable current in. 



Brylinski, E. A. Tel. 17 (1890) 232-, 352-, 



425- ; 22 (1895) 446-. 

 function. Essig, . J. Tel. 8 (1884) 90-. 

 influence of resistance, capacity, and induction. 



Vaschy, . A. Tel. 11 (1884) 24-. 

 installation. Voisenat, J. A. Tel. 18 (1891) 



97-. 



in large towns. Elsasser, C. Elekttech. Z. 

 6 (1885) 14-, 60-. 



Munich. Baumann, J. Elekttech. Z. 



5 (1884) 338-. 

 interference. MUller, E. Elekttech. Z. 12 



(1891) 551. 



Paris. Gael, E. A. Tel. 11 (1884) 20-; 14 



(1887) 193-. 

 . Mambret, G. A. Tel. 17 (1890) 308-, 



440-. 



to Lyons to Marseilles. Gidel, J. A. Tel. 

 17 (1890) 40-. 



protection against high potential currents. 



Pierard, . [1900] Sc. Abs. 4 (1901) 



340-. 

 Eheims. Baradel, . A. Tel. 15 (1888) 



239-. 

 without separate batteries. Oesterreich, W. 



Elekttech. Z. 8 (1887) 373-. 

 suburban, automatic distributor for. Bambaud, 



G. A. Tel. 16 (1889) 289-. 

 supports. Massin, E. A. Tel. 16 (1889) 



306-. 

 , effect of lightning. Sacre, E. Brux. Ac. 



Bll. 13 (1887) 432-. 

 , mechanics. Chauvelon, F. A. Tel. [19] 



(1892) 405-. 



tensions adopted for. Barbarat, A. A. Tel. 



17 (1890) 162-. 

 theory. Pirani, . Elekttech. Z. 8 (1887) 



128-. 

 . Wietlisbach, V. Elekttech. Z. 8 (1887) 



242-; 9 (1888) 52-. 



of trunk lines. Gavey, J. [1896] I. Elect. 

 E. J. 25 (1897) 624-, 657-. 



thermal effects of currents. Preece, W. H. 



E. S. P. 30 (1880) 408-. 

 uncovered, laid on ground, experiments. Anon. 



Elekttech. Z. 16 (1895) 83-. 

 use of common return-wire. Palaz, . 



Laus. S. Vd. Bll. 25 (1890) xvii-. 



872 



