Bench work in wood; a course of study and practice designed for the use of schools and colleges (1905)
Goss, W. F. M. (William Freeman Myrick), 1859-1928 · Boston, New York, Ginn & company · leaf 76
ay as the one already described. But, by turning the ringg, one of the pawls is disengaged, and the other acting alone BENCH TOOLS. 57 will move the spindle d only when the brace is moving in onedirection, the pawl simply slipping over the notches of theratchet-wheel when the motion is reversed. In… … Section A B. (Enlarged) The ratchet-brace is useful in boring holes near walls, or incorners where it is impossible to turn a common brace. The size of any brace is indicated by its swing, that is,by the diameter of the circle described by B, Fig. 119. Thebetter class are nickel-plated, and are…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
