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Patent for an improvement in the design for machines for manufacturing plow irons, including illustrations.

Date: March 4, 1873

Creator: McGinty, James M. & Nolan, Thomas.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for improving on a plowing device. This apparatus has four independent and adjustable shovels attached together to work to cultivate a field.

Date: November 18, 1873

Creator: Cavett, Richard S.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for an improvement in plow design, including illustrations.

Date: February 25, 1873

Creator: Nichols, James R.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for improvements in plows with removable curved flanges.

Date: July 29, 1873

Creator: Sims, Zachariah B.

Item Type: Patent

Partner: UNT Libraries Government Documents Department