UNT Libraries Government Documents Department - 3 Matching Results
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- Churn.
- Patent for a churn, which has reciprocatory gear movement inside that allows the milk or cream to be churned faster with less effort.
- Propelling Device for Aerial Ships
- Patent for a propelling device for aerial ships which operates by forcing air through a tube, creating suction and exerting propulsion. Illustrations included.
- Threshing-Mashine
- Patent for a threshing machine. Illustrations included.