Books by Robert H. Fortman:
Books in the extended shelves:
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Fortman, Robert H.: Blueprint reading--for the machine trades : a practical handbook on reading working drawings, assembly drawings, scale drawings, manufacturing drawings, tool drawings, installation drawings (American technical society, 1936), also by James McKinney (page images at HathiTrust)- Fortman, Robert H.: Blueprint reading for the machine trades, a practical handbook on reading working drawings, assembly drawings, scale drawings, manufacturing drawings, tool drawings, installation drawings (American technical society, 1932), also by James McKinney (page images at HathiTrust)
- Fortman, Robert H.: Machine drawing; a comprehensive treatise on machine drawing covering principles of the working drawing, helix and thread conventions, cams, belts and pulleys, gears, and general drafting room practice (American technical society, 1933), also by Charles Lewis Griffin (page images at HathiTrust)
- Fortman, Robert H.: Machine drawing : --prepared especially for the instruction and training of students of the American School (Chicago : American School, [1932-1937], 1932), also by Charles Lewis Griffin and Ill.) American School (Lansing (page images at HathiTrust)
Find more by Robert H. Fortman at your library, or elsewhere.