Pantograph, the name given to a contrivance for copying a drawing or a design on an enlarged or a reduced scale.

Pan"to*graph (?), n. [Panto- + -graph: cf. F. pantographe.] 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.