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Profile-Drag Investigation of an Airplane Wing Equipped with Rubber Inflatable De-Icer (1939)
NASA Technical Reports Server (NTRS) · leaf 13
Figs* 4,5 … Figure 4*~ fake--survey apparatus installed on the trailing edge of the wing* Figure 5*~ Rubber inflatable de-icer installation* Drag condition (1).NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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