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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: Refine your search to only Patent

Improvements in Cotton-Gins

Description: Patent for improvement in the Cotton-Gin with moveable brushes. This object is designed to make the brushes on the cotton machine move closer to the saw when they become shortened from constant use. This will improve the quality of the machine like a brand new equipment.
Date: June 22, 1875
Creator: Koehl, William
Item Type: Refine your search to only Patent
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