Railroad

Railroad

A railroad is a means of wheeled transportation for moving people and goods. Railroads are tracks on which trains can tow cars behind an engine.

Industry: Railways

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Railroad

A device consisting of two tapered rails with necessary connections, designed to divert rolling stock from one f reinforced concrete structures.Spotboard. A sighting board placed above and across a ...

controller

Railways; Railroad

The unit consisting of switches and knobs used to control the speed and direction of a model train. The unit may also contain more sophisticated controls (eg. inertia). A transformer may also ...

spring frog

Railways; Railroad

See Frog, spring.

creosote

Railways; Railroad

An oily aromatic compound distilled from tars, used in the preservation of wood exposed to the elements.

crib

Railways; Railroad

(1) The ballast or the open space between two adjacent crossties, (2) A crisscross structure of logs, timber, concrete or other members, used to retain a fill or as a bridge support.

spring washer

Railways; Railroad

A washer designed to prevent a nut from loosening under vibration. Spring washers are of two types: helical and elliptical. Also called lock washer and nutlock.