Show Device Shows Strain I Incurred by Flyers I Instruments have been devised for measurIng an airplanes airplane's speed alti alti- altitude altitude tude tulle and direction i now v comes a gauge auge for the aviator himself called the accelerometer an Intricate little apparatus which shows vs how his body reacts to the crafts craft's bounces sudden turns and dips It Is the Invention of James II of the en engineering en- en engineering division of the army air Ice sen-Ice according to Popular Me Me- Mechanics Me- Me Mechanics Magazine and It Is placed un under un- un under under der the pilots pilot's seat scat Stresses and strains on n his Ills body Lolly are arc outlined on n a small strip of film Lieutenant Doolittle has lias found thata that a flyer can stand In Instantaneous move move- movements movements m ments of the plane without HI ill effects but comparatively slower dips and dives of continued several seconds sometimes cause him to lose his faculties faculties ties tics In rounding a n pylon nt at high speed for Instance the blood Is driven to the feet A pilot In the pink of condition can cnn stand this but about I 1 seconds Is the limit |