Improvement in Brick-Machines.
Description:
Patent for the improvement of brick-machines, consisting in the arrangement, with the molds, of one or more valves of flood-gates in the bottom of the pugmill, for the purpose of controlling the flow of the clay into the molds, and a roller and knife upon each side of the mill for pressing the clay into the molds and dressing the tops of the bricks. It includes a description and illustration.
Date:
July 16, 1872
Creator:
Houghton, Gideon H.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department