Speed Mask for Swimmers

From what I can gather, Calvin Gongwer is legendary for his inventions in the world of ocean swimming. But his speed mask doesn't seem to have gained a following.

(left) Popular Mechanics - Dec 1968; (right) Ottawa Citizen - July 25, 1968

Patent No. 3,653,086

Who We Are
Alex Boese Alex is the creator and curator of the Museum of Hoaxes. He's also the author of various weird, non-fiction, science-themed books such as Elephants on Acid and Psychedelic Apes. Paul Di Filippo Paul has been paid to put weird ideas into fictional form for over forty years, in his career as a noted science fiction writer. Contact Us

Posted By: Alex - Mon Nov 13, 2023
Category: Swimming, Snorkeling, and Diving | Patents

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