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Power Stand.
Patent for a new and improved power-stand. In this design, "a single pulley is mounted upon a stand, the shaft of said pulley bearing at each end, outside of the stand, one part of a friction or other clutch, which may be engaged with or disengaged from the corresponding part of a clutch attached to the shaft of a machine" (lines 13-19).
Date:
February 2, 1886
Creator:
Hetherington, Johnathan S.
System:
The Portal to Texas History