PANTOGRAPH
pantograph
(noun) mechanical device used to copy a figure or plan on a different scale
Source: WordNet® 3.1
Etymology
Noun
pantograph (plural pantographs)
A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.
By extension, a structure of crosswise bars linked in such a way that it can extend and compress like an accordion, such as in a pantograph mirror or a scissor lift.
A pattern printed on a document to reduce the ease of photocopying.
(rail transport) A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.
Verb
pantograph (third-person singular simple present pantographs, present participle pantographing, simple past and past participle pantographed)
To engrave by means of a pantograph (parallel linkage) system.
Source: Wiktionary
Pan"to*graph, n. Etym: [Panto- + -graph: cf. F. pantographe.]
Definition: An instrument for copying plans, maps, and other drawings, on
the same, or on a reduced or an enlarged, scale. [Written also
pantagraph, and incorrectly pentagraph.] Skew pantograph, a kind of
pantograph for drawing a copy which is inclined with respect to the
original figure; -- also called plagiograph.
Source: Webster’s Unabridged Dictionary 1913 Edition