Woodwork for the grades for use in manual training classes (1912)
Selden, Frank Henry · Valley City, N.D., The Maudslay press · leaf 128
Fig. 1 6 7—Marking for Dowels 172 is a drawing showing howthe leg and screw would appearif cut through vertically at thecenter of the screw. Drawingsof this nature are called sec-tional drawings or sections.Fig. 173 shows the leg withthe hole bored, the screw andthe hollow pin which is drivenover… … Fig. 169—Lining for Dowel After.the end of the leg has been squared the center is located and a hole is bored large enough to receive the head of the screw and just deep enough to allow the head to rest on the bottom of the hole. It is essential that the hole be of the required depth. A piece of…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
