UNT Libraries Government Documents Department - 2 Matching Results
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- Equalizer for Pump Rods
- Patent for an equalizer for pump rods. This invention is designed to "assist in elevating the column of water in a pump, is designed to sustain the pump rod in its fixed position" (line 11-14). Illustration included.
- Tying Device for Hay-Bales or Packages.
- Patent for an automatic tying device for hay bales, while they are going through a hay press.