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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

heel of frog

Railways; Railroad

The end of a frog farthest from the switch.

transformer

Railways; Railroad

Apparatus which serves to increase or decrease voltage.

heel of switch

Railways; Railroad

The end of a switch rail farthest from the point of switch.

heel spread (frog)

Railways; Railroad

Distance between gage lines at the heel end of a frog.

transit switch clip

Railways; Railroad

A switch-rod clip drilled with several holes in a line diagonal to the axis of the switch rod, for effecting adjustments in the throw of the switch.

heel spread (switch)

Railways; Railroad

The distance between the gage lines at the heel of the switch rails.

transition spiral

Railways; Railroad

An easement curve.