Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 259
course the two hooks must not beengaged with the same pin at once, and many differentmethods are used to take care of the hook and rod which forthe time being are not to engage with the pin. The simplestis a lifting-roller so adjusted that when brought against theunder side of the rod it lifts it… … 3^ Fig. t86. and are held in place by a latch or snap. With these theeccentric-rod may slide upon the pin itself, but when theseappliances are in place the hook is closed and takes no holdof the pin. Fig. 186 presents certain forms of gab-hooks.The objections to the gab-hook are three: REVERSING…
Mechanical engineering · Steam power plants
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
