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Railway-Tie.
Patent for an invention relating to the railway tie that aims to produce "a tie which is adapted to be constructed of reinforced concrete" (lines 14-16). Other objectives and illustrations of invention are included.
Date:
June 5, 1917
Creator:
Shearer, Frederick C.
System:
The Portal to Texas History
Rod-Lifting Tool.
Patent for a gripping device for large metal rods.
Date:
April 24, 1917
Creator:
Miller, John M.
System:
The Portal to Texas History