6480 Duplex Telegraphy 



Tanner, A. M. Lum. Elect. 22 (1886) 151-. 

 Jaite, . Elekttech. Z. 9 (1888) 253-, 350-, 



523-. 



Gattino, G. J. Tel. ( 13 (1889) 189-. 

 Vianisi, L. Lum. Elect. 37 (1890) 112-, 168-, 



(New system.) Pohl, L. Elekttech. Z. 18 



(1897) 279-. 



Turpain, . Par. S. Ps. Se. (1900) 155-. 

 automatic rheostat-regulation in. Discher, H 



Elekttech. Z. 12 (1891) 521-. 

 balancing of capacity and self-induction 



(Belgium). Buels, . Sc. Abs. 3 (1900) 



454. 

 bridge and differential systems. Heaviside, 0. 



Ph. Mg. 1 (1876) 32-. 

 condensers in. Culley, R. S. Tel. E. J. 3 



(1874) 93-. 

 without condensers. Ailhaud, F. A. Te"l. 5 



(1878) 5-. 

 condensers in. Gattino, . J. Tel. 9 (1885) 



152-. 

 with continuous current. Mandroux, L. A. 



Tel. 7 (1880) 38-. 



control. Bayol, P. A. Tel. 12 (1885) 34-. 

 and diplex telegraphy. Zetzsche, K. E. J. 



Tel. 3 (1875-77) 616- ; Dingier 225 (1877) 



. Vianisi, L. J. T41. 11 (1887) 107-, 



134-, 150- ; 13 (1889) 149-. 

 , French-English and French-Belgian 



lines. Toussaint, H. A. T61. 22 (1895) 349-. 

 by divided coils of receiver. Zetzsche, E. J. 



Tel. 12 (1888) 52-, 90-, 106-. 

 (Zetzsche). Santa.no, M. P. 



J. Tel. 12 (1888) 177-. 

 Gattino's system. Zetzsche, E. J. Te"l. 13 



(1889) 132-. 

 Hughes's system. Wietlisbach, V. J. Tel. 20 



(1896) 325-. 

 modification of Siemens-Halske apparatus for. 



Stark, J. B. Berl. Tel. Vr. Z. 2 (1855) 169-. 

 with Morse apparatus. Vianisi, L. J. Tel. 9 



(1885) 286-. 



(Vianisi). Tobler, A. J. Tel. 10 



(1886) 17-. 



(Tobler). Vianisi, L. J. Tel. 10 



(1886) 52-. 

 on "omnibus" lines. Gattino, . J. Te"l. 



11 (1887) 13-. 

 Petfina's work. Zetzsche, K. E. [1877] Z. 



Mth. Ps. 23 (1878) (H.-lt. Ab.) 37-. 

 and quadruplex telegraphy. Winter, G. K. 



Tel. J. 3 (1874-75) 206-, 218-, 233-, 258-. 

 . Siemens, (Sir) C. W. Tel. E. J. 7 



(1878) 3-. 



in England. Tobler, A. (XH) Elekt- 

 tech. Z. 1 (1880) 238-. 

 with 2 relays. Kovacevic, F. J. Te"l. 4 (1878- 



80) 701-, 723-, 740-. 

 Santano's system. Browne, H. W. Lum. Elect. 



26 (1887) 554-. 



. Discher, H. Cztg. Opt. 9 (1888) 222-. 



Stearns's system. Gael, E. A. Tel. 3 (1876) 



540-. 

 in long cables. Tobler, A. Lum. Elect. 



13 (1884) 248-. 



Quadruplex and Multiplex 6480 



submarine. Gramoccini, . A. T41. 4 (1877) 



56-, 193-. 



. Tobler, A. J. Tel. 5 (1881) 108-, 135-. 

 telephone combined with Morse apparatus for. 



Zetzsche, K. E. [1878-79] J. Tel. 4 (1878- 



80) 21-, 277. 

 Teufelhart system with Hughes's instrument. 



Zetzsche, E. J. Tel. 13 (1889) 297-. 

 theory. Schwendler, L. Beng. As. S. J. 43 



(1874) (Pt. 2) 1-, 218- ; 44 (1875) (Pt. 2) 



47- ; 45 (1876) (Pt. 2) 1-. 

 . Discher, H. Elekttech. Z. 10 (1889) 448-. 



Quadruplex Telegraphy. 



Jones, F. W. Tel. J. 3 (1874-75) 148-. 



Kempe, H. R. Tel. J. 3 (1874-75) 162-. 



Eden, A. Tel. J. 3 (1874-75) 208. 



Pope, F. L. Tel. J. 4 (1876) 2-. 



and diplex telegraphy. Gattino, . J. Te"l. 



11 (1887) 86-. 

 duplex telegraphy. Winter, G. K. Tel. J. 



3 (1874-75) 206-, 218-, 233-, 258-. 

 . Siemens, (Sir) C. W. Tel. E. J. 7 



(1878) 3-. 

 in England. Tobler, A. (xn) Elekttech. 



Z. 1 (1880) 238-. 

 in England. Tobler, A. (xn) Elekttech. Z. 



2 (1881) 232-. 



. Bayol, P. A. Tel. 12 "(1885) 253-. 



improvements. Winter, G. K. Tel. J. 4 



(1876) 230-. 

 Madon's modification of Hughes's system. 



M., P. Lum. Elect. 25 (1887) 151-. 

 Maver's system. Anon. Elect. 17 (1886) 529. 

 simplification. Keeley,D.H. Elect. 30 (1893) 



385-. 



Multiplex Telegraphy. 



Haubtmann, C. Lum. Elect. 39 (1891) 10-, 



73-, 612-. 

 (Mercadier system.) Mercadier, E. A. Tel. 18 



(1891) 193- ; 24 (1898) 287- ; Par. S. Ps. Se. 



(1900) 84-. 

 relay for. Mercadier, E. C. B. 130 (1900) 



770-. 

 synchronous. Houston, E. J. [1883-84] Am. 



Ph. S. P. 21 (*1884) 326-; Franklin I. J. 



118 (1884) 161-. 



. Delany, P. "B. Elect. 20 (1888) 714-. 

 . La Cour, P. Elect. 21 (1888) 95-. 

 , Delany's and La Cour's systems. Zetzsche, 



E. Elekttech. Z. 6 (1885) 66-. 

 t system. Houston, E. J. Franklin I. J. 



117 (1884) 49-. 



_, . Rothen, . J. Tel. 9 (1885) 90-. 



, . Franklin Inst. Comm. Franklin I. 



J. 121 (1886) 312-. 

 , . Preece, W. H. [1886] Tel. E. J. 



15 (1887) 231-. 

 , experiment. Houston, E. J. Franklin I. 



J. 118 (1884) 167-. 

 , La Cour's priority claim. Anon. Franklin 



I. J. 124 (1887) 81-. 

 , system. Prytz, K. Ts. Ps. C. 24 



(1885) 10-. 



859 



