… crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, …
Explanatory notes
… crossing frogs, point rods and other crossing pieces, sleepers (cross‑ties), fish‑plates, chairs, chair wedges, … at crossings and curves. Rack rails are intended for steep gradient railways. One type consists of two long … “sleepers” (cross‑ties) are used to support the rails and keep them parallel. They are usually pressed into …