Sign. (open access)

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 (open access)

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