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Fire-Grate.
Patent for a simple and efficient fire-grate that is meant "to be set in a wall between two rooms and capable of being reversed to enable either room to be directly heated by a fire" (lines 11-13).
Date:
December 17, 1895
Creator:
Birkhead, James C.
System:
The Portal to Texas History
Perforating Mechanism for Cylinder Printing-Presses.
Patent for a perforating mechanism for cylinder printing-presses that is simple and automatic. It produces "lines of perforations at any required distance apart and of any desired length in paper or cardboard at the time of printing thereon the forms for checks, draft, bills, notes, tickets or other printed or lithographed matter" (lines 12-17).
Date:
April 17, 1894
Creator:
Kellner, Eugene
System:
The Portal to Texas History