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Automatic Railroad-Switch
Patent for an automatic railroad switch which throws the switch automatically back to the main line after a train has entered a siding.
Date:
August 17, 1909
Creator:
Toullerton, George Edward
System:
The Portal to Texas History
Flexible Metallic Hose
Patent for a flexible metallic hose. Illustration included.
Date:
August 17, 1909
Creator:
Schulz, Wilhelm
System:
The Portal to Texas History