Show TELEPHONE ACROSS OCEAN A fresh experiment is to be bo made with ith a n method of promoting submarine rine telephony telephone devised several years a ago by ob Profet Professor r M. M I. I of Columbia Colum bia biti i university It consists of tho the introduction intro luction at carefully uny computed h intervals intervals inter inter- ter vals als in a cable of what electricians call choking coils These increase se tho the dista distance ce at which spee speech h can be made luada audible not by magnifying ln the sound found but b by lessening the rapidity with which electric vibrations die dio out According to the tho London Times Timos the British government doubtless government doubtless in m cooperation co operation with that of France has France has decided de dc ceded cl ed to lay Jay n cable prepared in this manner aero across s the En English Channel As Asit Asit Asit it will connect with land lines at Dover and Calais it is expected to facilitate telephonic communication between London London Lon Lon- don and Paris Though some somo use of J Professor Pu invention has been made roade In tho the United States to enhance tho the efficiency of the American Bell Telephone Tel ephone company's s overland wires it has thus thug far fu h had d only one trial under underwater hater ou water on a telephone cable which crosses J Lake Constance from Switzerland Switzer I land and t to German Germany As for somo some reason the tIle pioneer experiment has not proved entirely satisfactory orr tho the outcome of tho the second trial under water will be a awaited await ait- ait ed with ith exceptional interest If It in this tho the should hould work perfectly it is not unlikely that there thero w would tild be bo a fresh discussion of tho the t feasibility of at transatlantic tele tele- phony phon It has bas repeatedly been pointed out that oven even if all an the technical difficulties in tho the of such way an aD enterprise l should houd be overcome o it mi might ht not prove provo commercially successful duJ Tho Thu hour houri during which a a. telephone lino line between Xe New York and London would bo be pa pap would bo be limited and tho the ca cable caLlo to devoted to such service would cost much moro than ono ODO for telegraphy alone It is' is to bo be remembered f now cr over that a cable eq equipped p d with choking coils could bo be employed for telegraphy as aswell aswell well It us telephony would not necessarily warily Ho lio idle therefore when it was not used for or conversation con Indeed ex ox- experts ll sa say that it would work better bettor than any other othor telegraph tle t cable of or tho the Paine name length length Ne New York Tribune |