pull rod couplings
1Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
2Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …
3Narrow gauge railway — Track gauge by size Broad gauge St …
