414 
GENERAL INDEX. 
Telegraph, an acoustic, W. Ladd on, 1863, 
19 
--apparatus, Prof. C. Zenger on a new 
automatic, 1868, 21 
- cable-signalling, G. K. Winter on 
the use of electro-magnetic instead of 
electrostatic induction in, 1872, 52 
♦ - cable, C. F. Varley on certain 
phenomena which presented themselves 
in connection with the Atlantic, 1866, 
14 
- cables, Dr. Ernest Esse!bach on 
electric, with reference to observations 
on the Malta-Alexandra, 1862, 26 
-cables, deep-sea, William Fairbairn 
on some of the causes of the failure of, 
1865, 178 
-cables, W. Fairbairn on india-rubber 
and gutta-percha as insulators for sub¬ 
marine, 1865, 14 
-cables, C. W. Siemens on the outer 
covering of deep-sea, 1865, 187 
-cables, Fleeming Jenkin on a new 
arrangement for picking up submarine, 
1866, "145 
-cables, W. Hooper on the electrical 
and mechanical properties of india- 
rubber insulated wire for submarine, 
1866, 145 
- cables, W. Hooper on the North 
China and Japan submarine, 1870, 219 
-coils, a new method of constructing, 
S. A. Yarley on, 1870, 28 
- column-printing, E. Higgins on a, 
1890, 959 
- Expedition, T. Whymper on the 
progress of the Russo-American, via 
Behring’s Straits, 1866, 117 
-lines, the relative merits of iron and 
copper wire for, W. H. Preece on, 1885, 
907 
--printing, D. E. Hughes on a, 1862, 18 
- printing, W. Cook on Bonelli's, 1863, 
18 
-- printing, Prof. Zenger on a new 
key for the Morse, 1871, 48 
-- the North Atlantic, N. J. Holmes 
on, 1866, 27 
- overland, Col. Sir H. C. Rawlinson 
on the direct, from Constantinople to 
Kurrachee, 1861, 197 
- 2 )oles, the strength of, IF. JET. Preece 
on, 1885, 853 
-writing, E. A. Cowper on his, 1879, 
520 
♦Telegraphic apparatus, recent improve¬ 
ments in, W. H. Preece on, 1878, 697 
- cables, W. Fairbairn on india-rubber 
and gutta-percha as insulators for sub¬ 
marine, 1865, 14 
-- conductors, W. Hooper on the 
applicability of india-rubber as an 
insulator for, 1865, 184 
* - enterprise and deep sea research 
on the west coast of Africa, J. Y. 
Buchanan on, 1886, 731 
Telegraphic facsimiles produced by Ca- 
selli’s method, 1863, 20 
--intercommunication, W. H. Preece 
on, 1883, 650 
- photography, S. Bidwell on, 1881, 
777 
Telegraphs, action of lightning on, S. A. 
Varley on the mode of, 1870, 28 
—— district private, Nath. J. Holmes 
on, 1865, 184 
* - electric block, F. H. Yarley on, 
1877, 219 
♦Telegraphy, application of, to naviga¬ 
tion and meteorology, A. de Marcoartu 
on the, 1873, 43 
- Atlantic cable,'preliminary investi¬ 
gation by IF. Fairbairn of the mechani¬ 
cal properties of the proposed, 1863, 408 
-electric, common notation for, J. G. 
Joyce on the practicability of employ¬ 
ing a, 1866, 131 
—— fast speed, W. H. Preece on, 1887, 
874 
-multiplex, W. H. Preece on, 1886, 
812 
-submarine, Captain Selwynon, 1864. 
188 
♦Telemeter system, J. U. Mackenzie on 
the, 1884, 652 
-system, F.R. Upton on the, 1887, 878 
Telemeters, or range-finders, some new. 
Profs. A. Barr and IF. Stroud on, 1890, 
499 
Teleosaurus from the Upper Lias, C. 
Moore on a specimen of, 1869, 97 
Teleostean ova, some, and their develop¬ 
ment, J. T. Cunningham on, 1888, 703 
Teleosteans, points in the development 
of the pectoral fin and girdle in, E. 
E. Prince on, 1886, 697 
- and ganoids, F. M. Balfour on the 
pronephros of, 1881, 721 
Teleostei, certain fresh-water, report on 
the development of the oviduct and con¬ 
nected structures in, 1888, 338 ; 1889 ,95 
■-the kidneys of the, W. N. Parker 
on, 1882, 577 
Telephone, W. H. Preece on the, 1877, 34 
-the retardation of phase of vibra¬ 
tions transmitted by the, Prof. S. P. 
Thompson on, 1879, 254 
Telephonic communication between Lon¬ 
don and Paris, W. H. Preece on, 1889, 
744 
Telephoning through a cable, Prof. Lord 
Rayleigh on, 1884, 632 
♦Telephony, recent experiments in, Prof. 
Graham Bell on, 1877, 201 
-recent progress in, W. H. Preece on, 
1882, 666 
• -submarine cables for long-distance, 
W. H. Preece on, 1890, 959 
