UNT Libraries Government Documents Department - 3 Matching Results
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- Holder for Poison.
- Patent for poison holders which the poison can be freely distributed without accidental disastrous result. The poison inside the holder can be saved for future use. Illustration is included.
- Plow Colter
- Patent for plow colter. Illustration included.
- Proportionate Scale.
- Patent for a proportion scale used for measuring cotton seed and lint. Illustration included.