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Anti-Agitating Device.
Patent for anti-agitating device, including two figures describing said device, with illustrations. Author describes improvements for liquid dispensers on previous anti-agitating devices by altering the cylinder duties during its performance.
Date:
February 3, 1920
Creator:
Catron, John J.
System:
The Portal to Texas History
Recording Apparatus
Patent for "Improvements in Recording Apparatus" including illustrations.
Date:
February 3, 1920
Creator:
Catron, John J.
System:
The Portal to Texas History