22" METAL TENSION BAND for VEMCO 3500 & VEMCO 3300 DRAFTING MACHINE - USED ITEM
For If you have VEMCO 3300 & VEMCO 3500. We used the OLD VEMCO box for picture. The drafting machine, introduced about 1930, allows a straightedge to be moved while maintaining any desired angle between it and the edge of the drawing board.