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Spectators on the cliffs watching Cable & Wireless preparations for the cable landing on Porthcurno Beach. Bulldozers are pictured on the beach.

Typical Morse sounder and single-current key as used by the GPO, railway companies, ship-shore and coastguard stations from the 1880s to 1930s. Note, the metal (usually sheet brass) "reflector" to localise the signal.

Four Cable & Wireless men working on the beach.

Photo of engraving titled 'Laying the Submarine Telegraph between Malta and Gibraltar, off the Isle of Pantellaria'.

From Illustrated London News 11/8/1870

Engineers from the Plymouth area T.H.Q. Marine Branch landing a new shore end of a telephone cable at Porthcurno.

Photo of engraving titled 'Landing the cable at Porthcurnew [sic] Bay'.

From Illustrated London News 25/6/1870

Cable & Wireless granite pyramid marking the 1880 cable landing.

This diagram shows a sectioned specimen of deep-sea, light-weight coaxial cable of the kind likely to be used by Cable & Wireless Ltd. and the Canadian Overseas Telecommunication Corporation in the Anglo-Canadian Telephone Cable in 1961.

The same…

Names on the back:
Summerull, Firmin, Watkins, Maner, ?, Bartlett,
Cleavor, Barlow, Bentley
Talbot, Mockett, Purvis, Hanson, Stevenson

PREVREF 1772 duplicate photo

A detailed diagram of the sea plow on 'Operation Sea Plow'.

C.S. Stanley Angwin (2,500 tons gross), built for Cable & Wireless by Swan Hunter and Wigham Richardson Ltd in 1952. Seen here on her sea trials in the North Sea.

C.S. Retriever, weighing 4,000 tons gross, built for Cable & Wireless by Cammell, Laird & Co, Ltd (shipbuilders and engineers) in 1960, seen here in 1961 on her sea trials off the Scottish coast.

C.S. Recorder (3,300 tons gross) built for Cable & Wireless by Swan Hunter and Wigham Richardson in 1954, seen here in the Tyne as she went on her sea trials.

(duplicate of SHIP 4.031)

C.S. Edward Wilshaw (2,247 tons gross) built for Cable & Wireless by Swan Hunter & Wigham Richardson in 1949, seen here leaving the Tyne for her sea trials.

PREVREF 1727 duplicate photo

C.S. Cable Enterprise (4,200 tons gross) built for Cable & Wireless by Cammell Laird & Co Ltd in 1964, seen here on her sea trials off the Scottish coast.