Inside Out Library · Explore
Endurance and Other Properties at Low Temperatures of Some Alloys for Aircraft Use (1931)
NASA Technical Reports Server (NTRS) · leaf 20

NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Endurance and Other Properties at Low Temperatures of Some Alloys for Aircraft Use
More like this