[628]. Expanding basket, with chain corner suspenders.
[629]. Expanding socket, with sliding ring grip.
[630]. Expanding grating, formed of bent steel laths on edge.
[631]. Bridge or flap between cars, having buffers.
[632]. Expanding core barrel, in three parts, expanded by a wedge.
[633]. Expanding mandril or chuck. See also [Section 28].
Expansion Joint, [Nos. 1076], [1077].
Expanding Pipes, [No. 1079].