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"Engineering Patents"
Location: Is HathiTrust Digital Library
Subject (Region): Is United States
Author
Allen, James Titus
Published
Washington, D.C., The Columbia planograph company, c1906.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Allen, James T. (James Titus)
Published
Washington, D. C., The Columbia planograph company, c1906.
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Campbell, Christopher C.
Published
Boston : Franklin Press, Rand, Avery & co., 1881.
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online