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Spring-Motor
Patent for a motor used to operate light machinery such as sewing machines using spring power. Illustrations included.
Date:
September 28, 1909
Creator:
O'Bannon, William H. & Field, James M.
System:
The Portal to Texas History
Powder-Ejector
Patent for a vaginal powder ejector. Illustrations included.
Date:
September 28, 1909
Creator:
Sands, William Walter
System:
The Portal to Texas History