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Moldboard.
Patent for "a moldboard adapted to any plow constructed of a series of spring-loops, sundry of which are movable at the top and sundry others having movement at the bottom of the board, the moveable loops being kept in motion by the earth passing over the board, whereby portions of the board are rendered vibratory and the earth is effectually prevented from clinging thereto" (lines 8-17).
Date:
September 22, 1896
Creator:
Smith, Samuel A.
System:
The Portal to Texas History