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Switch Operating Mechanism

Description: Patent for a switch operating mechanism. Illustration included.
Date: March 23, 1909
Creator: Eads, John William
Partner: UNT Libraries Government Documents Department

Sign.

Description: 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.
Partner: UNT Libraries Government Documents Department
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