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Noquay - Model Railway Inglenook Layout 4mm (OO)

Glossary of Railway & Model Railway Terms

J

  • Jacket - Outer covering of thin sheet steel over the lagging material of a locomotive boiler, cylinder or other insulated heat radiating surface.
  • Johnson Bar - The reversing lever of a steam locomotive.
  • Journal - The part of a shaft or axle support by a bearing.
  • Journal Log - Compiled by the guard of the make-up and events of train/movement.
  • Junction Indicator - An indicator provided at a junction which uses a line of (3/5) white lights to indicate which way the junction is set. Also known as feather, router.