Resource Type

Rotary Engine. (open access)

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. (open access)

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