B66-220 DISPLAYS OF STANLEY TRY AND MITER SQUARES. Each display demonstrates the evolution of a type of Stanley try square. The first (on the left) shows how the No. 1 square developed into the No. 10 and how the No. 2 developed into the No. 12. It includes 9 squares with all the applicable types. The second shows the development of the No. 1 and No. 2 Winterbottom patent mitre squares, and includes 9 examples. Each is mounted on a 20" by 30" foamboard with Steve's careful and scholarly explanation. From the collection of Steve Dice. Fine 300-600