UNT Libraries Government Documents Department - 3 Matching Results
Search Results
- Cotton-Harvester
- Patent for improvements in construction and arrangement of machines that harvest cotton.
- Draft-Equalizer
- Patent for a draft-equalizer which is an apparatus adapted to be used for, "three draft animals, one pulling against two animals.
- Photographic-Printing Machine
- Patent for a photo printing machine that can be used in dark rooms. Illustrations included.