The paper label on the cardboard box that reads in part “ARNOLD U. ROOT / Physicians’ and . . . / 4113. . .” probably identifies the dealer of this dental kit. The paper label that reads “MORTON J. LOEB, D.D.S. / SIXTY-SIX TRUMBULL STREET / NEW HAVEN 10, CONN.” identifies the owner. Morton J. Loeb established the Dental Clinic Society in New Haven in 1934.