Franklin D. Jones
Franklin Day Jones (1879–1967) was an author in mechanical engineering and toolmaking. He wrote the first edition of Machinery's Handbook (1914, Industrial Press) with engineer Erik Oberg.
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Wikipedia
Franklin Day Jones (1879–1967) was an author in mechanical engineering and toolmaking. He wrote the first edition of Machinery's Handbook (1914, Industrial Press) with engineer Erik Oberg.