Flying-Machine (open access)

Flying-Machine

Patent for improvements with the construction of flying machines to make them adaptable and more safe, including illustrations.
Date: March 25, 1913
Creator: Bell, Frank M.
System: The Portal to Texas History
Frame for Jaw Crushers (open access)

Frame for Jaw Crushers

Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
System: The Portal to Texas History