RADIO GRAMOPHONES.

Press, Volume LXVII, Issue 20173, 27 February 1931, Page 15

RADIO GRAMOPHONES.

_ » NEW DEVICE FO& LIGHTHOUSES. .# ' , (raon OUB. O'jnj COIUtt99OOTKIT.) LONDON, January 15. The first; talking teaeon in the world is now in - operation at the' oumbrae lighthouse, off Little Cumbrae, a small island in'the mouth of the Clyde. ■ The. bekeon promises to solve the fog, problem at: sea, and should'it prove.eifective it Will be installed in every lighthouse in the jworld. ' The apparatus consists of 6 radio gramophone which, used ii conjunction with the lighthouse foghorii, tells a ship's wifeless operator exactly how far'his ship iB from the lighthouse.. The record "played" on the Cumbrae gramophone gives the name Cumbrae. vThis, being transmitted by wirelesß, is picked up immediately by the ship's operator.' The* blast from the lighthouse foghorn, sent out at the same time, takes longer ,to reach the ship, and-the lapse pt time- between >the two signals enables the wireless operator to calculate .within a few yards bis distance from the lighthouse. ' The inventors of the talking beacon ate Mr Charles A-; Stevenson, of Edinburgh,'afad his 6on, Mf Di Alan Steven* som The family, of which Bobert Louis .SteVenson, the novelist,- was' a member, has been engaged on light* house work; for generation*.