Show PLANES identified ay iy BY TUNE discovery made by american P prove 1 estee extremely mely valuable to british aviation service i air raid raids on london are no longer the file sure fi fire re staff for heartening the german people poop le that they once were aers late lately I 1 Y the raiders usually find that they can raid up to the english coast bad ad then have hava to raid right balk back home homa again a A you y QUOIT american la is given credit for 1 the of f the british io in rom mem 9 t heir fair capital fib a eliran E 1 mp del bed bar barrage age whenever the german fly ere era apio c A brooklyn youth who bad enlisted 1 an fn the br british I 1 aviation service was am aa at dined to test on out I 1 an airplane detector which was expected to discover desm r the ape roach of airplanes before they could e heard co BI to speak peak with the naked arm ye no one expected that the device would make it possible to tell whether hether he approaching PI plane were german br t i hla musical studies had trained the americana all hearing to S a high degree however hw H listened through the in almoner runie ot for several dava n while bile only planes flew within lie range then he he be heard 4 a different note A german a raiding squadron quad roii was waa a approach pin la tag ing the th had discovered diR covered that british planes he imin 1 in G minor he ha bound aund that the german raiders see are tuned in 1 B R flat now new the british aviation 1 tim service keep kaepa men a about at the capital with their eclo eara cloae to be detectors detector knit nd Abe whenever airplanes are heard vibrating harming in B R flat a barrage to fa immediately ordered |