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Railways

The means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks.

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Railways > Railroad

low relief

Railways; Railroad

Scenery close to the back edge of a model railway that has been modelled to a reduced depth to give the illusion that the scenery extends much further than it actually does.

lower quadrant

Railways; Railroad

A semaphore signal that lowers its arm to indicate that the line ahead is clear.

main track (MT)

Railways; Railroad

A track extending through yards and between stations upon which trains are operated by timetable or train order or both, or the use of which is governed by block signals.

mainline

Railways; Railroad

Route miles of track systems carrying main tracks.

mate

Railways; Railroad

A structure somewhat similar to a frog point, placed opposite a tongue switch to guide wheels and carry them throughout the extent of the switch. It is frequently used in ...

mechanical tamper

Railways; Railroad

A power-driven machine for compacting ballast under ties.

middle ordinate

Railways; Railroad

The distance measured from gage line of rail on a curve to the middle of a string drawn taut and held to contact with gage line of rail at its ends. The middle ordinate forms a ...