Railways

Railways

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

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Railways > Railroad

tie tongs

Railways; Railroad

A tool designed to engage a tie with a lever grip; with handles by which ties can be carried or drawn into or out of the track renewals.

frog

Railways; Railroad

A track structure used at the intersection of two running rails to provide support for wheels and passageways for their flanges, thus permitting wheels on either rail to cross ...

tiebar

Railways; Railroad

The metal bar or sleeper that attaches two points together and forces them to operate together.

frog angle

Railways; Railroad

Angle formed by intersecting gage lines of the rails, or by tangents to the gage lines at their point of intersection when the frog is curved.

tie-plate fastener

Railways; Railroad

A special tie-plate long enough to support the bases of a guard rail and the adjacent running rail and with a rail brace riveted to it for supporting the guard rail.

frog number

Railways; Railroad

One-half the cotangent of one-half the frog angle, or the number of units of centerline length in which the spread is one unit. The rate of spread of the gage lines at the frog. ...