Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 35
Fig. 27. Three Views of Square Head or Nutwith Chamfer … Fig. 28. Three Views of Square Head or Nut with Chamfer points E tangent to the arcs, and it will be found that the points oftangency will come almost at the points where the arcs cut the MACHINE DRAWING 25 TABLE III Rough Square and Hexagon Bolt Heads. U. S. Standard (franklin institute) Diameter…
Machinery
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