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Airplanes - Wings - Forest
Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent light in weight and has more than twice the strength of the original rib of the Government
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File:Airplanes - Wings - Forest
Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent lig(...) - NARA -
803:
Airplanes - Wings - Forest
Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent lig(...) - NARA -
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