A green express locomotive carrying a curved brass nameplate reading "Flying Scotsman" on its side, crossing a stone viaduct in the Scottish Highlands, heather slopes falling away on both sides, exhaust column standing straight in still air.
What it was used for
The London–Edinburgh night service, 632 kilometres non-stop from 1928 — with a corridor through the tender so the crew could change en route. She later became the most expensive monument in British railway history: Alan Pegler bought her privately in 1963, sent her on a promotional tour of some 15,400 miles across the United States and Canada from 1969 to 1971, and was bankrupted by it in 1972 with debts of £132,000. The locomotive then stood in an army depot in California, out of reach of the creditors, until William McAlpine bought her back and brought her home in 1973.
What was new
The locomotive was not new; the corridor tender was. It made workable a run longer than a single crew's shift.
Connections
Every connection names its kind. “Forerunner” on its own would be a claim.