| pantograph |
A device for collecting current from an overhead conductor, characterized by a hinged vertical arm operating by springs or compressed air and a wide, horizontal contact surface that glides along the wire.
출처: inventors.about.com/library/inventors/blrailroad6....
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| pantograph |
An engraving machine that a die-maker uses to trace a design or image manually onto a die.
출처: www.hoffmanmint.com/glossary.html
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