Show How Will Save Life All danger from heavy fogs which have been the terror of peahen In ID nil all ages Is ended It Is helle ed by th the In Invention invention lu- lu of the tho hone In n a s series se ties ries of tests tests made with ships of the navy It h has 9 been found that signals may now b bo be sent 5 nt under water for more than 40 40 40 It Is Is' Is not only possible for a ship equipped with the new device to tell ten Its exact distance from land lond but the presence of other ships may be he detected In plenty of time to avoid collision null ant even the depth of ot the water may cony be measured The apparatus consists of or a n tank placed on the keel of the ship about three feet teet deep and twenty feet long which is filled with water A sensitive sensitive tive recording device picks up the vi vibrations vibrations vi- vi sent under the sea This Is In turn connected with a device called d the compensator on the ships ship's bridge which Indicates the direction In which the tho sound travels A submarine recently recently re re- re made a n long trip under water guided past all dangerous anc and kept in the proper channel entirely by means menDS o of the Borg BoY Boys Boys' bite Ufa |