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2RC3N0P The image shows an experimental 4 horn sound detector at Ellington Field in Houston, Texas during World War One. The elevation horns are 15 ft. long while the azimuth horns are 18 ft. long. This device was used to detect and locate sound signals during military activities.
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2WCJEH5 80-CF-54867-2 Grumman J2F-1 Utility Plane.
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2CEP946 . On Deep-Sea Water Waves Caused by a Local Disturbance on or beneath the Surface. -0-001410 40 + 0 -095698 41 0 -173327 42 0 -213082 43 0 -206133 44 0 -155109 45 + 0 073202 46 -0*019241 47 0 -099771 48 0 -149290 49 0 156580 50 0 -120841 -0-051678 + 0-033421 0 -113462 0 -169071 0 -187150 0-163922 0 -105670 + 0 -027050 -0-052604 0 -114037 5 -01246 6 -108035 -966874 -55409 + 2-16242 -0 -64772 3 -18091 4 -78030 4 -99819371982 -1-24620+1 -95788 5 -000521 -14221 7 -84089 6 -84375 4 -35482+ 0-94954-2-54867 5 -26810 6 -50668 5 -91304 3 -58462-0-05499+ 3 -82792 7 -10641 8 -94944 8 -86372 6 -82480+ 3 -
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D5K0W7 Haelen after battle (LOC)
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