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Lumber-Calculator
Patent for a lumber calculator that has printed calculations for quickly determining the amount of board feet in a pile of lumber.
Date:
April 25, 1911
Creator:
Stalcup, James F.
System:
The Portal to Texas History
Tie-Plate.
Patent for imrpoved tie plates that will prevent the rails from wearing down the ties.
Date:
April 25, 1916
Creator:
Barnes, Ned E.
System:
The Portal to Texas History
Hair-Drying Brush
Patent for a hair drying brush that has some heated teeth and some non-heated teeth for drying hair.
Date:
April 25, 1911
Creator:
Taylor, Samuel
System:
The Portal to Texas History