Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 45
Fig. 63. Common Wing Dividers … Fig. 64. Removable-Point Dividers clamped by the thumbscrew, it is not liable to be altered by a slightblow in handling. Another and improved form is shown in Fig. 64, one leg ofwhich is removable so that a pencil can be inserted. This willbe found very convenient for marking and laying out work.…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
