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Bricklayer's Guide-Line Holder.

Description: Patent for improvements in Bricklayers' Guide-Line Holders with spring controlled jaws for anchoring the holder to the brick, securing it in a stationary position on the wall.
Date: March 31, 1914
Creator: Knott, Miller & Bible, Adam Calver
Partner: UNT Libraries Government Documents Department

Dental Mold.

Description: Patent for dental mold, it is an improvement on patent no. 700855, by the same inventor. The improvement was to have open sides and large exit at the bottom of the lower neck of the mold, and a flask having a wide inlet in order to keep the molten metal from contact with the metal of the mold to avoid being suddenly cooled. (Lines 19-23) Illustration is included.
Date: March 31, 1903
Creator: Streetman, Willard
Partner: UNT Libraries Government Documents Department