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The Effect of Kiln Drying on the Strength of Airplane Woods (1920)
NASA Technical Reports Server (NTRS) · leaf 41
PLATE III.-FAILURES OF IMPACT-BENDING SPECIMENS, SITKA S'PRJCE, KILN RUN 148.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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