6480 Telegraphy 



subterranean, insulated by paper and dry air, 



electric properties. Heina, P. A. Tel. 23 



(1896-97) 445-. 

 , of telegraphic and telephonic network, 



Paris. Beau, N. A. Tel. 22 (1895) 289-. 

 , transmission by. Dieudonne, E. Lum. 



Elect. 18 (1885) 529-. 



testing. Preece, W. H. Elect. 2 (1862) 100-. 

 . Siemens, G. W. Un. Serv. I. J. 10 (1867) 



427-. 



during sheathing. Schwendler, L. Ph. Mg. 

 34 (1867) 169-. 



use of cobbler's wax for joints. Queinnec, J. 



A. Tel. 25 (1899) 385-. 

 electromagnetic induction. Winter, G. 



K. [1872-74] Tel. E. J. 1 (1872-73) 291- ; 



Tel. J. 2 (1873-74) 303-. 

 suspended coil galvanometers in working. 



Raymond-Barker, E. Elect. 25 (1890) 672-. 



Calculations. Nystrom, C. A. Berl. Tel. Vr. 



Z. 10 (1863) 55-. 

 Calling-up apparatus. Cauderay, H. [1869] 



Laus. Bll. 8. Vd. 10 (1868-70) 437-. 

 . Christiani, . [1889] Karlsruhe Nt. 



Vr. Vh. 11 (1896) (Sb.) 50-. 

 . Zetzsche, E. Dresden Isis Sb. (1893) 



8-. 

 Clockwork, telegraphic. Everts, A. (vu) Arn- 



hem Ntk. 8 (1852) 321-. 

 Communication between Fastnett and Ireland. 



Nerville, F. G. de. A. Tel. 25 (1899) 5-. 



at great distances, simplification. Petrina, 

 F. A. Wien SB. (1854) 375-. 



between light-ships and the shore. Chris- 

 tiani, W. Elekttech. Z. 5 (1884) 8-. 



with moving trains. Romiguiere, . A. 

 Tel. 13 (1886) 463-. 



. Rudd, C. H. [1887] Elect. 20 



(1888) 162-. 

 (Delfieu system). Zetzsche, E. J. 



Tel. 13(1889)169 . 



between Old World and New. Laugel, A. 

 (vin) Arnhem Ntk. 12 (1857) 337-. 



Paris and Kouen. Breguet, L. C. E. 

 22 (1846) 743-. 



Poggibonsi and Siena. Anon, (vi 900) 



N. Cim. 2 (1855) 160-, 166-. 



on railway trains. Frankel, W. Dresden 

 Sb. Isis (1867) 174-. 



Commutator board, multiple. Anizan, J. J. 

 Tel. 24 (1900) 169-. 



for triple lines. Pellegrino, E. (vm) Nap. 

 At. I. Inc. 9 (1861] 277-. 



Compensation and discharge apparatus (God- 

 froy system). Cailleret, H. A. Tel. 18 

 (1891) 257-. 



Condensers, use. Heaviside, 0. Ph. Mg. 47 

 (1874) 426-. 



Moon, W. Tel. J. 19 (1886) 231-. 

 Jacquin, C. Lum. Elect. 34 (1889) 

 27- 66-, 173-. 



Taylor, J. E. Elect. Ev. 33 (1893) 



Conductivity of Earth 6480 



CONDUCTIVITY OF THE EARTH. 



Magrini, L. Mil. G. I. Lomb. 5 (1844) 305-. 

 Matteucci, C. Arch, de 1'Electr. 4 (1844) 



304- ; (vi Adds.) Majocchi A. Fis. C. 15 



(1844) 171-. 

 (Magrini.) Mossotti, O. F. (vi Adds.) At. Sc. 



It. (1844) 96-. 



Adie, R. Edinb. N. Ph. J. 39 (1845) 327-. 

 Matteucci, C. C. R. 20 (1845) 1431- ; 22 



(1846) 86-. 



Baumgartner, A. von. Wien SB. (1849) (Ab. 1) 

 , 295-, (Ab. 2) 28-. 

 Matteucci, C. B. A. Ep. (1850) (pt. 2) 56- ; 



C. E. 30 (1850) 774-. 



Napier, J. (vi Adds.) Ph. Mg. 37 (1850) 390-. 

 Matteucci, C. A. C. 32 (1851) 221- ; 41 (1854) 



173. 

 Kuhn, C. Munch. Gelehrte Az. 40 (1855) 



(Bll.) 275-. 



Palagi, A. Bologna Ed. (1857-58) 72-. 

 Dumoncel, T. [A. I,.] C. E. 52 (1861) 1073-, 



1137- ; A. Tel. 4 (1861) 465-. 

 Duigan, J. N. Z. I. T. 3 (1870) 324-. 

 DuMoncel, (comte) T.A. L. [1876] (xn) Caen 



Ac. Mm. (1877) 3-. 

 Trowbridge, J. [1880] Am. Ac. P. 16 (1881) 



58, 



Flanery, D. Science 22 (1893) 11. 

 determination. Kovacevic, F. [1878-79] J. 



Tel. 4 (1878-80) 55-, 391-. 

 measurement, and insulation faults. Kallmann, 



M. Elekttech. Z. 14 (1893) 545-. 

 testing. Pomeroy, F. H. Tel. J. 22 (1888) 



412-. 



Conductivity of sea-water. Aldini, G. J. de 



Ps. 56 (1802) 247. 



snow. Lagarde,J. A. Tel. 6 (1879) 130-. 



Conductor's baton, electric. Carpentier, J. C. 



E. 103 (1886) 1005-. 



Constant current working. Dehms, F. Berl. 

 . A. Tel. (1872) 1-.. 

 , use of Hughes's relay. Landrath, 



E. (xn) Elekttech. Z. 2 (1881) 98-. 

 Copper resistance during electric disturbances. 



Dresing, C. Tel. J. 5 (1877) 274, 302. 

 . Fujioka, J. Tel. J. 6 (1878) 



188-. 



Current of arrival, ratio to current of de- 

 parture. Barbarat, A. A. Tel. 15 (1888) 



385-. 

 Derived circuit, transmission in. Schneider, 



G. Berl. Tel. Vr. Z. 4 (1857) 1-. 

 currents, application. Petrina, F. A. Wien 



SB. (1853) 3-. 

 , . Gaillard, . A. Tel. 1 (1856) 52-. 



DIPLEX TELEGRAPHY. 



Stark, J. B. Berl. Tel. Vr. Z. 2 (1855) 220-. 

 Bosscha, J. Tel. Vr. Z. 3 (1856) 27-, 51-, 73-. 

 Floderus, M. M. Stockh. Ofv. 13 (1856) 115-. 

 Stark, J. B. Wien SB. 20 (1856) 531-. 

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



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



52-. 



854 



