UNT Libraries Government Documents Department - 2 Matching Results
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- Harrow
- Patent for improvement for harrows, "which may be adjusted so as to spread them apart or bring the same close together." (lines 15-17) The adjustable frame of the harrow allows the device to be used for different purposes of cultivation.
- Swingletree
- Patent for a swingletree that equalizes the strain of the draft animal when the traces are connected in an irregular manner.