Speed Mask Streamlined Swimmer, 1968 October 28, 2023 1960s, fashion & clothing, inventions This prow-shaped mask with built-in snorkel and compass holder was invented by Calvin Gongwer in 1968, and used by him in a recent 22-mile swim from Catalina Island to San Pedro, California. He claimed that the “speed mask” cuts drag by 35 percent. Email ThisBlogThis!Share to TwitterShare to Facebook
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