UNT Libraries Government Documents Department - 2 Matching Results
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- Car-Coupling
- Patent for an improvement in car couplings "whereby the pin-support is operated not by the links but by the impact of the cars themselves and of a yielding link" (lines 55-58).
- Plow.
- Patent for an attachment for plows or cultivators "whereby it may be converted into a sweep plow, adapted to be operated between rows of growing crops and capable of being adjusted in width in accordance with the distances apart from said rows" (lines 12-16).