Resource Type
Counties
4 Matching Results
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Furnace
Patent for a furnace to be used in engines. Illustrations included.
Date:
February 28, 1911
Creator:
Beaumont, Edmund F.
System:
The Portal to Texas History
Box for Washing Gravel, &c.
Patent for washing gravel and other material for making concrete.
Date:
February 28, 1888
Creator:
Carrico, Thomas W.
System:
The Portal to Texas History
Railway Switch.
Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date:
February 28, 1922
Creator:
Arteaga, Ignacio
System:
The Portal to Texas History
Fireproof System
Patent for a fireproof construction system for buildings. Illustrations included.
Date:
February 28, 1911
Creator:
Morey, Jay & Magruder, Paul K.
System:
The Portal to Texas History