UNT Libraries Government Documents Department - 2 Matching Results
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- Car-Coupling.
- Patent for an improved car-coupling that features "a solid block at the back part of the draw-head, which when coupling the cars will come far enough back to hit the solid part in the draw-head and prevent the bent spring from breaking." (Lines 16-21) Includes instructions and illustrations.
- Tension For Sewing Machines
- Patent for a tension for sewing machines. Illustration included.