Letter about the use of gutta percha for Dental purposes
Worcester, [MA?]: Self published 1856. Single sheet, 4 3/4 x 7 5/8 inches. Blank corner torn off, minor soiling. Folded for mailing. A printed letter from Agent O. F. Harris, noting that Dr. Nye of Weymouth [MA?] "has just concluded a series of successful experiments in the manufacture of Colored..... More