Vintage "Sketch-a-Graph" Pantograph – Scientific Drawing Teacher

• Classic mechanical pantograph tool used to enlarge, reduce, or reproduce drawings, maps, plans and photographs at original size
• Simple to use – full instructions printed on the original box (enlarge, reduce, reproduce)
• Made in Australia, marked "Des. 4993/4" on the arm
• Black plastic/bakelite-style construction with metal pivot joints, in good functional condition – all joints move freely
• Comes with the original box, which shows genuine signs of age including some tears and wear to the card (see photos)
• A fun piece of vintage stationery/drawing history – great for collectors, art students, or display