member, A, by time the thumb piece is operated; and after the writ- of bolt holes, through any pair of which the bolts its flange entering the depression, e, it will be evident ing is done, the pin, B, is operated to depress the that the outer surface as well as the inner surface may be passed to… … over the base flanges and against the webs of the
Internet Archive · Public domain (published before 1931). Free to use for anything.
