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Manual-Training Apparatus.
Patent for a new improvement in a manual training apparatus for teaching swimming without water. The device allows the exerciser to lie face down on the provided mat and turn cranks to simulate swimming motions.
Date:
March 21, 1916
Creator:
Hartnett, William J.
System:
The Portal to Texas History
Drafting Machine
Patent for a machine designed for constructing or drafting geometric figures, including illustrations.
Date:
March 21, 1916
Creator:
Kreisle, Edwin Clinton & Hawkins, Lyndsay Dickason
System:
The Portal to Texas History