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Rotary Engine.
Patent for "improvements in rotary engines by which a flanged or bladed disk is made to revolve in a steam tight chamber or chest." (Lines 7-10) Includes instructions and illustrations.
Date:
March 5, 1895
Creator:
West, Joseph
System:
The Portal to Texas History
Acetylene-Gas-Generating Lamp.
Patent for a new and useful acetylene gas lamp, including instructions and illustrations.
Date:
December 5, 1899
Creator:
Eldridge, Hilliary
System:
The Portal to Texas History