UNT Libraries Government Documents Department - 3 Matching Results

Search Results

Improvement in Furnaces for Producing Hydrogen and Treating Ores

Patent for an improvement on heating furnaces, having an external water tank and steam tank and an orifice for the admission of steam from the water chamber.

Date: March 28, 1871

Creator: Morris, Joseph R.

Improvement in Rectifying High-Wines.

Patent for an improved mode of rectifying high wines using a new apparatus.

Date: March 21, 1871

Creator: Lee, Archibald K.

Improvement in Rotary Subsoil-Plows.

Patent for an improvement upon subsoil plows, using a series of spades arranged upon the same pulleyed rotary shaft, combined with furrow-opening plows.