Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 64
Fig. 24. Universal Drafting Machine … Fig. 25. Drafting Machine counterpoised with Springs for Use on Board placedin Vertical Position 52 MECHANICAL DRAWING ruling edge to just the exact length required. Thus in draw-ing a straight line to any required length, there is no chang-ing from a ruling edge to a scale edge and there is no…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-289-75.webp)
