Show Device Shows Strain Incurred by Flyers Instruments have been devised for fOI altitude altitude alti alti- measuring an airplanes airplane's speed tu tude e and direction now comes comes n a ngau gau gauge e for the aviator himself called the accelerometer an nn intricate little apparatus which shows how his bod body reacts to the crafts craft's bounces sudden turns and dips It It is the Invention of James II H. Doolittle of or the engineering engineering en en- division of the arm army air service according to Popular Mechanics Me Me- Mechanics Magazine and It is placed ander under un an- der the pilots pilot's seat scat Stresses and strains on his bod body are outlined on a asmal small smal strip of film Lieutenant Doolittle has found that thata a flyer can stand Instantaneous movements movements move move- ments of ot the plane without ill effe effects ts but comparatively slower dips and dives of ot continued several seconds sometimes cause cause him to lose his ties In rounding a pylon at high speed for Instance the blood Is driven to the feet A pilot In In- Inthe the pink peak of condition can cnn stand this but but about about 12 seconds is the limit |