Show Ii U-BOATS U NOW USE USEI I SMOKE SCREEN DEVICE By International News Service I NEW YORK Sept 29 New New G German Get Ger Getman r- r man devices for aiding U-boat U fright- fright I are ire report reported d by passengers on onI onan onan an American liner just arrived in port from England I One One- Is the use of ot a smoke screen in which the submarine may conceal It Itself itself it- it self elf while attacking escaping or sub sub- merging The smoke screen has been used for months by battleships destroyers de destroyers de- de and merchantmen Its Us first use by a submarine was reported Inthe in inthe inthe the warnings of a a. U-boat U off the Atlantic Atlantic At At- Atlantic At- At lantic coa coast t. t The other device is the use of or mirrored mir mtr periscopes By coating them with silver Elver the periscopes reflect the eurI surrounding sur- sur 1 rounding water and become invisible a I couple of hundred yards away It is isI I believed this explains wh why survivors I I of ot several sc ships lately sunk saw no noI I I 1 of a submarine b before fo or after atter I i Ithe attack |