Show novel way of testing airships strains VT V T IV 0 T 31 A ali A N A it ar this Is the navy department model of the air leviathan zil 1 which has been undergoing a test for ten months la in the photo elastic laboratory of the massachusetts institute of technology in order to perfect the design of the airship to prevent a repetition of the 2 and roma disasters the model Is in made ade of over pieces of celluloid and when studied by the method shows in rainbow colors the strains which would exist in the actual ship the technology department of physics Is the only laboratory in this hemisphere equipped to carry on this work |