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Book or Music Leaf Turner.
Patent for a music page turner, which can be operated by a lever or foot pedal.
Date:
October 22, 1907
Creator:
Alrich, Henry
System:
The Portal to Texas History
Nut Lock
Patent for a nut lock. Illustration included.
Date:
January 22, 1907
Creator:
Hodges, Amos J.
System:
The Portal to Texas History