N.A.C.A. Technical Memorandum No, 408 Figs.1,2 & 4 corrosion magnified to 100X. … view of eages or l/o" tnic* quenched duralumin tensile test specimens after oO days in salt water spra^ corrosion.ana cleaning in iO/u BHQ~ <uencning meaiums are indicated* Fig.4
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