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in place name: "United States - Texas - Harris County - Houston"  
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Rotary Disk Drill

Description: Patent for rotary disk drills with an illustration included. This drill is meant to be "efficient and strong and so arranged as to be inexpensive of manufacture and easily kept in serviceable condition." (lines 18-23)
Date: May 29, 1917
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Silo.

Description: Patent for a reinforced concrete silo, including specifications and illustrations.
Date: May 29, 1917
Creator: Abbett, Edgar J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Smoothing-Drag.

Description: Patent for useful improvements to smoothing-drags which are "designed for the purpose of smoothing roads".
Date: May 29, 1917
Creator: Parker, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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