Show NEW NEAV MEASURING DEVICE IS PERFECTED DY BY NAVY captain it II B S patton director of the united states stated coast and Gu geodetic odette survey surrey has announced an 1 improved device for obtaining underwater der deri water vater depths by means of 0 echo sounding the new equipment la Is sald said to be rapid in ili its operation and very senal sensitive tIve it can take twenty soundings ft at second in ili depths from 6 to feet in water this athla means that at a cruising speed of 10 miles tier per hour a sounding bounding can bo be made overy every 10 inches it will measure differences in depths within an ail accuracy of about one inch and shoulder now worn by naval officers survive from olden lays daya when fighting men wore metal plates on their shoulders should cra to protect them from saber cuts |