The story
Etymology from Wiktionary, CC BY-SA 4.0.
headchair
Today it means: Part of a block switch on a railway line that the ends of the moveable rails rest on, and to which the stationary rails are attached. Full definition →
Today it means: Part of a block switch on a railway line that the ends of the moveable rails rest on, and to which the stationary rails are attached. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.