ClipArt ETC
"Railway, with single traveler in detail. Nautical, iron jackstays bolted on the under side of standing gaffs which carry fore-and-aft sails, with or without booms. Small grooved iron shapes called "travelers" are sewed to the head of the sail, and slide along the gaff by means of a whip or outhaul." -Whitney, 1911

Railway

"Railway, with single traveler in detail. Nautical, iron jackstays bolted on the under side of standing…