Resource Type

Leaf-Turner. (open access)

Leaf-Turner.

Patent for a leaf turner for turning the pages of a book, which is connected to a treadle operated with the feet to change the pages.
Date: August 30, 1910
Creator: Berliner, Selma Ellis
System: The Portal to Texas History
Pianoforte-Action (open access)

Pianoforte-Action

Patent for support for the damper and spring for piano pedals. Illustrations included.
Date: August 30, 1910
Creator: Snyder, George C.
System: The Portal to Texas History