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Practical Experiences with Lightning Discharges to Airplanes (1933)
NASA Technical Reports Server (NTRS) · leaf 20
N.A.C.A. Technical Memorandum No# 730 Pigs. 19,20 Fixed antenna … Figure 19.- Lightning protection for airplane, radio, wings, and propeller. Figure 20.- Lightning protection for airplanes with retractable landing gear.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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