Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 97
lustratedat Fig. 22. 80 METAL-WORK Fig. 23 shows the nut and part of the screw in section, thenut being withdrawn or disengaged from the buttress-shapedscrew. This is done by means of the rocking-bar D, oneedge of which is pivoted at E, the other edge engaging in thegroove F of the nut-shank. The… … Fig. 23. clear of the screw, thus allowing the pull or push action.Fig. 24 shows a piece of work being tightened in the vice.The jaw A having been slid into contact with the work, andthe lever C released, the half-nut S engages with the screwK, and a turn of the screw by the lever L applies the…
Metal-work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
