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Keying Device for Cutter Heads (open access)

Keying Device for Cutter Heads

Patent for a keying device for cutter heads. This invention is designed attaches cutter heads to rotate shafts to align the cutter head. Illustration included.
Date: December 10, 1912
Creator: Ash, William D. & Herndon, James A.
System: The Portal to Texas History
Music-Leaf Turner (open access)

Music-Leaf Turner

Patent for a music leaf turner that is operated by a foot lever.
Date: November 12, 1912
Creator: Jeter, Clell Edward
System: The Portal to Texas History