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in subjects: "molds"  
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Mold for Tubular Articles.

Description: Patent for an improved mold for making concrete tubular casings for dug wells with opposite grooves so the casings can be connected together when used, with illustrations.
Date: May 8, 1917
Creator: Schuettig, Emil A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Templet.

Description: Patent for templets or steel models used in building ships. The steel can be easily shaped into parts.
Date: May 31, 1921
Creator: Nies, Gershom John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Brick-Machine.

Description: Patent for a machine, which the inventor calls "The Concussion Brick-Machine", that makes bricks using molds, including illustrations.
Date: May 30, 1848
Creator: Wilson, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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