Resource Type
Counties
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Cattle-Guard
Patent for a cattle-guard on railroad tracks.
Date:
January 20, 1903
Creator:
Richardson, Columbus John
System:
The Portal to Texas History
Acetylene-Gas Generator.
Patent for certain new an useful improvements in acetylene gas apparatus, including instructions and illustrations.
Date:
January 30, 1900
Creator:
Ruthenberg, William
System:
The Portal to Texas History