2 Matching Results

Search Results

Improvement in Plows.

Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use as a subsoil-plow, as a turning-plow, as a scraper and cultivator, and as a scraper, cultivator, and hiller, and which shall be simple in construction and effective in operation in either capacity." (Lines 11-18) Includes instructions and illustrations.

Date: October 10, 1876

Creator: Newton, John R.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Safety-Valve.

Patent for an improved safety valve for boilers that consists of a valve chamber with a socket at its bottom, a valve seat with a steam outlet, a valve in the socket, a steam inlet tube that passes through and below the valve, a piston mounted in a guide chamber, a spring that holds the piston, a guide chamber with a valve seat, and a steam cylinder.

Date: October 10, 1893

Creator: Cameron, Charles Hoyle