Improvement in Scale-Beams.
Description:
Patent for "the movable weight used on scale-beams; and it consists in the construction and arrangement of the weight to slip over the scale-beam, and with a roller, upon which the weight rests or is suspended, in combination with a locking device." (Lines 12-17) Includes instructions and illustrations.
Date:
June 29, 1875
Creator:
Robinson, William T.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department