Alvin Wood Pantograph

The Alvin Wood Pantograph is a drawing instrument designed for copying or transferring a drawing or a plan into a different scale. It can reduce or enlarge drawings up to ten times the original scale. It is not designed for 1:1 ratio reproduction but offers three different sizes with various sets of ratios. The 18-inch pantograph features 20 ratios while the 21-inch model provides 25 ratios to choose from. For most ratios available, choose the 24-inch pantograph to accommodate a wide range of drawing and...