| Show new kind of measures the transparency of cea rea water has been measured by luksch of 0 the austrian frigate pola in the levant leant aegean and rod red sea by submerging a white alic until it became invisible says the london loudon globe Tran spar ency and color of 0 the aea sea vary with temperature wind salinity or salti ness altitude of 0 the aun sun etc transparency Is I 1 farmed by blueness great salinity depth of water sater and low tern tem pera per aturo ture it ie Is least in summer and for low altitudes of the sun it la Is in general 33 meters in the eastern mod 31 motors ic in the aegean and 21 meters la in the red sea the maximum depth at which the white disc could be seen was 48 meter meters or some isome 26 fathoms theeo these experiments I 1 open up a question as to the best color tor submarine boats to hide them from an observant enemy say in a bal loon apparently a color assine eting tham th ni to the sea awatar Is desirable and it might bo be worth while to make experiments for this purpose M |
