Lecturer's Squares, Binney & Smith Chalk Sticks geometrical drawing Each is unique

Each is unique

Box measures 9 3/4" x 9 3/4" x 7/8"

which is not only good for stacking but also for spinning like a top

Paint loss and most of the articulated arms missing as evident

making me think whoever made this was an artist of note

Lecturer's Squares, Binney & Smith Chalk Sticks geometrical drawing Each is uniqueOne of a few boxes of vintage art school supplies purchased from one dealer at Brimfield great treasures to me, delivering pure joy. I love the idea of sticks of chalk termed "Lecturer's Squares" making them feel as if they have very important information to impart! and then of course this great blast of found color. In their original box, with excellent red and white Binney & Smith Co. paper label. Never used, the chalks are set atop sawdust, used to