UNT Libraries Government Documents Department - 2 Matching Results
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- Improvement in Fire-Escapes.
- Patent for improving fire-escapes and provides a portable instrument that "may be used for letting persons directly down from buildings, or for carrying them from the upper stories of buildings to others buildings at a distance" (lines 9-12).
- Improvement in Sulky-Plows.
- Patent for an improvement on sulky-plows which allows it to be adjusted for different uses.