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Earth-Auger

Description: Patent for structural improvement in machines used for boring post holes and wells with illustrations and instructions included.
Date: April 13, 1880
Creator: Cudd, Decater P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engineer's Level-Rod

Description: Patent for an engineer's level-rod which introduces a peculiar manner of marking the scale upon the face of the rod.
Date: November 30, 1880
Creator: Lynch, Michael L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Brick-Machine

Description: Patent for "that class of brick-machines usually termed 'dry-press machines,' in which clay is taken from the bank and passed into molds in a revolving wheel" (lines 15-19) and "consists more particularly in the construction of details and combination of parts" (lines 23-25) including instructions and illustrations.
Date: June 15, 1880
Creator: Johnson, Richard M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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