3 Matching Results

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Wheeled Sectional Harrow.

Description: Patent for an improved wheeled section harrow with a simple construction that provides a way to raise and lower the harrow sections as needed, and improves construction of the truck carrying the harrow.
Date: July 9, 1918
Creator: Mize, William H.
Partner: UNT Libraries Government Documents Department

Device for Making Vessels Invisible.

Description: Patent for improvements in "air and water craft" (line 13) invisible including illustrations. These improvements include invisibility through "plurality of plates or sections" (lines 18-19) and diffuse light, disguising the vessels.
Date: July 15, 1919
Creator: Chaddick, Mark
Partner: UNT Libraries Government Documents Department
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