UNT Libraries Government Documents Department - 2 Matching Results
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- Improvement in Adjustable Hats
- Patent for an improvement to adjustable hatband which includes directions and illustrations.
- Improvement in Sand-Conveyers.
- Patent for a machine for "taking up and conveying sand into a suitable receptacle". Patent for breaking up sand and transferring it into a receptacle by means of circular cutters, conducting apron, inclined plate.