Details

A series of shade guides

HC.J.11.20

C. Ash & Sons, S.S.White Co. Ltd., Dentists' Supply Co.

6 shade guides for replacement mineral teeth: 3 by C. Ash & Sons, 1 by Excelsior Teeth, 1 by S. S. White Dental MFG. Co. and 1 by Dentists Supply Co., New York. All have a variety of shades of teeth colours on metal number coded tags.

Twentieth century, early