Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 41
tment, for,with any setting of the dividers, a slight turnof the screw changes the distance between the 22 MECHANICAL DRAFTING needle-points by a very small amount. Settingup the screw increases the space, while turningthe screw out lessens the distance between thepoints. 37. The small dividers or… … rig. 24. Illustrating Use of Irregular or French Curves. or less in radius. If a number of small circlesof the same size are to be drawn, the setting ismuch less likely to be accidentall}^ changed thanwith the large compass. 39. The bow pen (Fig. 9) is indispensablewhere very small circles are to…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
