Lot Vtg 1962 Dimensional Research Corp ddd Lenticular Panels Op Art Motion Rare For Sale

Lot of 10 rare mid-century lenticular panels, each measuring approximately 5.5\" x 7\" marked Dimensional Research Corp, 1962. Perhaps they were industrial test proof sheets or display prototypes to demonstrate the kinetic motion effect to clients. There are 4 patterns as follows:
Pattern A - 3 panelsPattern B - 3 panelsPattern C - 2 panelsPattern D - 2 panels