Woodwork for the grades, for use in manual training classes; fully illustrated with three hundred half-tone engravings from actual shop practice, and many working drawings of educational shop problems (1913)
Selden, Frank Henry · Chicago, Orr & Lockett Hardware Co · leaf 20
purchase stockyou require for your work. The piece which you have was cutfrom a soft pine tree. The large millsaw leaves the surface ofthe board very rough. This roughness may be removed byhand planing, but it is usual to run rough lumber through amachine called a surfacer (Fig. 5). Some surfacers… … Fig. 5—Surfacing a Board LESSON 2 INSPECTING MATERIAL Hold the piece studied in Lesson 1 to the light andobserve the little markings across the surface. Sometimesthese marks are very large and uneven; sometimes they arevery fine and can scarcely be seen. As they are made by themachine they are…
Woodwork
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
