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|What does that word mean
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- Another term for a staff or tablet.
- Top Light
- Auxilliary fixed windows located above the main windows (“longlights”) on the corridor side of the vehicle. These admitted more light and also allowed a standing passenger to see out. Specifically a style of carriage body construction adopted by the LNWR from 1911 onwards which formed a sharp break with the Wolverton “traditional” body style.
- Torpedo Ventilators
- Another name for Laycock’s ventilators
- TPO – Travelling Post Office
- Specially constructed vehicle for the conveyance (and often the sorting) of letter and/or parcel mail under contract to the Post Office, and manned by GPO staff. The LNWR and West Coast Joint Stock owned far more of these vehicles than any other company.
- Train Out Of Section
- A signalling bell-coded message (2 beats, pause, 1 beat) given by a signalman to the signal box in-rear when a train (complete with tail lamp) has passed the signal box of the signalman giving the message and hence the section is unoccupied. The signalman in-rear is then free to offer another train.
- TT Gauge
- See Model Gauges.