PANTOGRAPH
Pantograph
A pantograph is an apparatus mounted on the roof of an electric train or tram to collect power through contact with an overhead catenary wire.The above text is a snippet from Wikipedia: Pantograph (rail)
and as such is available under the Creative Commons Attribution/Share-Alike License.
pantograph
Noun
- A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.
- ''A pantograph can be adjusted to make either scaled or exact copies.
- A pattern printed on a document to reduce the ease of photocopying.
- ''I was impressed by the quality of the pantograph; I hadn't noticed it on the original, but the copies were covered in unpleasant lines.
- A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.
The above text is a snippet from Wiktionary: pantograph
and as such is available under the Creative Commons Attribution/Share-Alike License.