Letters patent for a new dental tool adapted for forming a matrix for a cavity in a tooth, locating the matrix and permitting its own displacement without disturbing the matrix. Right, title and interest in the invention are signed over to James W. Ivory. Included are two advertisements for dental instruments by J. W. Ivory, Philadelphia.
Letters patent of Emerson R. Sausser, MM-166. Thomas Jefferson University - Archives and Special Collections.
Letters patent of Emerson R. Sausser, MM-166. Thomas Jefferson University - Archives and Special Collections. http://aisrmedia1.jefferson.edu:81/repositories/2/resources/327 Accessed May 14, 2024.