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Check for Draft Apparatus.
Patent for a check attachment for a draft apparatus that pulls rope from the apparatus to effect the draft on the object "which will automatically lock the pull rope against movement under the influence of tension of the apparatus when the force applied to the rope to the effect such tension is removed" (lines 20-24).
Date:
July 15, 1913
Creator:
Battey, Orlando F.
System:
The Portal to Texas History