Resource Type

Liner for Steam-Pumps. (open access)

Liner for Steam-Pumps.

Patent for a removable liner for steam pumps.
Date: December 27, 1910
Creator: Johnston, Horace G.
System: The Portal to Texas History
Improvement in Presses for Hay, Cotton, Etc. (open access)

Improvement in Presses for Hay, Cotton, Etc.

Patent for the improvement of presses for hay and cotton, by means of a screw. It includes an illustration and description.
Date: December 27, 1870
Creator: Cunningham, Matthew G.
System: The Portal to Texas History