Books by Harold N. Cummings:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Cummings, Harold N.: Investigation of materials fatigue problems (Wright Patterson Air Force Base, Ohio. : Wright Air Development Center, Air Research and Development Command, United States Air Force, 1958., 1958), also by William C. Schulte, Foster B. Stulen, United States. Air Force. Air Research and Development Command, and Wright Air Development Center (page images at HathiTrust)- Cummings, Harold N.: Qualitative aspects of fatigue of materials (Wright Air Development Center, Air Research and Development Command, United States Air Force, 1959), also by Wright Air Development Center (page images at HathiTrust)
- Cummings, Harold N.: Research on properties of high strength materials suitable for high temperature applications (Wright Air Development Division, Air Research and Development Command, U. S. Air Force, 1960), also by William C. Schulte and Foster B. Stulen (page images at HathiTrust)
Find more by Harold N. Cummings at your library, or elsewhere.