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Sign.
Patent for a rotating metal sign, which does not warp from the turning action.
Date:
March 23, 1909
Creator:
Dazey, Nathan P. & Hall, George W.
System:
The Portal to Texas History
Switch Operating Mechanism
Patent for a switch operating mechanism. Illustration included.
Date:
March 23, 1909
Creator:
Eads, John William
System:
The Portal to Texas History