Vintage “Quick Change” Pantograph, a mechanical device for enlarging, reducing, or reproducing images, drawings, maps, etc. Works on the priciple of parallel motion, where tracing an original drawing at one scale simultaneously reproduces it at a different scale. This Pantograph is from around 1976 (includes dated receipt from original owner in the box!). Also includes original instructions. Retails for around $40 on ebay.
Vintage “Quick Change” Pantograph, a mechanical device for enlarging, reducing, or reproducing images, drawings, maps, etc. Works on the priciple of parallel motion, where tracing an original drawing at one scale simultaneously reproduces it at a different scale. This Pantograph is from around 1976 (includes dated receipt from original owner in the box!). Also includes original instructions. Retails for around $40 on ebay.
