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in creator/contributor: "Stone, Jesse R."  
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Heater.

Description: Patent for a heater, "designed for use in orchards for raising the temperature of the atmosphere at times when frosts or freezing temperature is threatened" (lines 11-14). Illustration included.
Date: November 18, 1919
Creator: Briscoe, Williard H.
Partner: UNT Libraries Government Documents Department

Horizontal-Drilling Machine

Description: Patent for a horizontally boring drill for use in trench warfare, including illustrations.
Date: November 26, 1918
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for rotary boring drill with explanation and the accompanying illustrations.
Date: November 6, 1917
Creator: Hughes, Howard R
Partner: UNT Libraries Government Documents Department
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