one of two early 20th century unique and unusual antique america medical "new century" solid steel tooth form lots fabricated by the central tooth company, auburn, r.i. the machined tooth form shanks contain lightly incised letters corresponding to the draw-holes of the precision shell machine (used to draw the shells to fit the various forms. the hinged case contains a photographic reproduction of the steel tooth forms as they appear in the box (natural size) is for display only. the set contains incisors and cuspids and molars. the tooth form kits were made for the the s.s. white dental co., philadelphia, pa. white dental manufacturing company was the world’s largest manufacturer in the world of porcelain teeth, instruments, appliances, and supplies for dentists. the company’s founder, samuel stockton white, introduced several new and improved dental chairs, engines, and instruments for the dental office and laboratory.