Books by Pierre F. Hartshorne:
Books in the extended shelves:
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Hartshorne, Pierre F.: A brief survey of production techniques used at LASL for fabrication of custom gaskets (Los Alamos Scientific Laboratory of the University of California, 1963), also by James S. Church, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
Find more by Pierre F. Hartshorne at your library, or elsewhere.