B67-47 PANTOGRAPH. A pantograph is a mechanical linkage, often used in drawing or engraving, that replicates a shape or design at a different scale. This example consists of a metal disc with holes at different diameters, and by turning a handle that rotates two gears below, it draws on another disc with a pencil. 13" x 7" x 7" with two plastic plates at top and bottom. Has some surface rust, unmarked. Unusual. Good 100-200