An improved swimming apparatus permitting the user to achieve speed of between 4 and 6 miles peers hour, according to American inventor, William Richardson. By means of a central, longitudinal shaft, the cranking movements of hands and feet are transferre
An improved swimming apparatus permitting the user to achieve speed of between 4 and 6 miles peers hour, according to American inventor, William Richardson. By means of a central, longitudinal shaft, the cranking movements of hands and feet are transferred to a four-bladed propeller allowing the swimmer to proceed rapidly and easily.
Size: 4800px × 2432px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
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