UNT Libraries Government Documents Department - 3 Matching Results

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Crude-Oil Burner.: Patent for an improved burner that is safe from the danger of exploding and can be made cheaply, including instructions and illustrations.
Portable Power Stump-Boring Machine.: Patent for an invention that improves upon portable power stump boring machines to prevent breakage of the auger or shaft, including instructions and illustrations.
Sawmill Carriage Track: Patent for Sawmill Carriage Track. This device allows for the logs to be held in place on a straight line while lining up for timber production.