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Combination-Plow.

Description: Patent for a combination-plow that "may be combined with facility to form a variety of plows designed for work of different kinds, the present invention being an improvement upon that shown and described in Patent No. 492,462, granted to [the inventor] February 28, 1893" (lines 10-15).
Date: July 14, 1896
Creator: Dean, John Rowe