Webfoot Attachments for Swimmers
wood, hinges, fabric, various
The Boy Mechanic, Book 3, page 381. Submitted by J.B. Laplace, NYC, in 1919. This device is designed to enable a user to swim much faster, based on the spring hinge action of the side flaps. In a test at the pool of the local YMCA, the device failed miserably, splitting the oak panel in two on the first kick.
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