WIRELESS TELEGRAPHY IN ITS INFANCY

NN TjRSffrrr QrrnroCK Vfivrwo rt EV years ago wireless telegraphy was relatively in its infancy Ten B years hence the latest development j of this new sciencewireless te lephonymay have made it pos sible for the business man sitting in his office in London to ring up his neighbor in. New York or Chi cago Tills Is a development quite within the bounds of achievement Technically. It is a much simpler matter than that of telephoning froru England to America by means of an undersea cable. I believe I am right in stating that the great est underwater distance through which ordi nary telephony has been conducted to date is not more than 250 miles and that this has only been accomplished experimentally by employing appa ratus such as could not in its present form be put Into general use for commercial pur poses.

The longest telephone cable actually operating today is about 100 miles in extent. As a matter of fact Drdinary cable telephony has not yet taken place between England and Hol land although these two countries have such Intimate commercial rela tions that there can be no question about the demand. The trouble in underwater cable telephony.