Crystal Palace International Electric Exhibition 1881-82
År: 1882
Sider: 102
UDK: 621.30 : 06 (064)
DOI: 10.48563/dtu-0000189
Official Catalogue, Edited by W. Grist with Specially Prepared Plans, showing the position of each exhibitor and indicating the spaces lighted by the various sytems.
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44
Mr. Charlton Wollaston, C.E., electric communication between
the two places having lasted only a few hours; this piece was
picked up in th.© Channel in a fislierDian^s trawl 25 years after it
had been laid down. (4) Specimens of the first Cable laid be-
tween Dover and. Sandg’atte (noar Calais) in Soptembør, 1851, for
the Submarine Telegraph Company, by their engineer, Mr. T. R.
Cramnton, C.E., which is still in good working condition.
North Nave.
94.—Telegraph Construction and Maintenance Company,
Limited, 38, Old Broad Street, London ; Manufactories, A'\ harf
Road, City Road, and Morden and Enderby’s Wharves, East
Greenwich. Submarine Telegraph. Cables, &c. (This Company
was foi’med in 1864 loy the amalga/nia/tio!! of Misssis. Grlass, Elliot^
& Co., and the Gutta-percha Company. The latter were the first
manufacturers of core for cables, and of land lines insulated, with,
gutta-percha.)
No. 1. Submarine Telegraph Cables: a case of specimens
of submarine telegraph cables, illustrating the progress and
development of submarine telegraphy up to the present time.
{Note.) The cables from Europe to North America, Brazil,
Egypt, India, South Africa, China, Australia, New Zealand, and
other parts of the world, 65,400 nautical (or 75,400 statute) miles
in length, have been laid by the Company across seas and oceans,
varying from shoal water to 3,000 fathoms in depth. Some of
these cables have been grappled and brought to the surface from
great depths, in one instance 2,400 fathoms (2| statute miles),
and have been found in good condition after many years'
submersion. , . .
No. 2. Proposed System for establishing communication
between lightships and the shore by means of submarine
telegraph cables, showing double-linked mooring chain designed
for the protection of the cable, and the swivels to prevent it
fouling or twisting the moorings of the lightship as she swings
to the tide.
No. 3. Map showing the Submarine Telegraph Cables manu-
factured and laid by this Company between the years 1854
and 1881. South Na/ve-
■ 95.__United Asbestos Company, 161, Queen Victoria Street,
E.C. Asbestos was known to the ancients as indestructible by
fire." This property is utilised, as here shown, for insulators, for
cables, wires, &c. &c. {See Advt., p., 124.) Eastern Gallery.
f 95a .—Magnus Volk, Telegraph Works, Ditchling Rise,
Brighton, Manufacturing Electrical and Telephonic Engineer.
Various Wires used in telephony, &c. Eastern Gallery.