@John C. Ratliff
When I started diving in the late 1950s we wore flippers. As soon as we started calling them fins, they worked so much better

[QUOTE="John C. Ratliff, post: 8610339, member: 7842"
]I've been looking, but haven't seen any reference to this book yet:
View attachment 514961
SeaRat[/QUOTE]
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Hombre
Read post # 24... FYI
"In the beginning ...
Frenchman Louis de Corlieu invented a life saving device identified as Swimming propellers
Owen Potter Churchill discovered them in Tahiti-
Churchill entered into an agreement with De Corlieu began producing Swimming Fins in a Los Angeles factory.
1939 first year production was 940 pairs all purchased in SoCal.
Concurrently the first recreational dive company in the US Pops Romano's Los Angels based company Sea Net was producing Flippers
In 1960 Bill Barada (LA Co UW Instructor & NAUI instructor # A1 ) with coauthor Lloyd Bridges published a book "Mask and Flippers. the story of Skin diving" --(Hard & soft cover --no ISBN or LCCC #) Bill who is credited with many first in diving including the recreational dry suit and author of about 10 diving books began his diving with goggles and flippers in the 1930s - so it was a fitting that he used the termonogly Flipper to describe a dive fin.
I have not conducted a survey of my dive manuals or dive related books - but I suspect this it the last time the term Flipper was used to describe dive fins.
When self contained diving appeared in the US in the 1940s diving cylinders - tanks --were identified as "blocks" ...ie a single block - one scuba cylinder a double block two cylinders or even a triple block - three cylinders. I never questioned why ? by the early 1960s the term disappeared
In the very beginning masks were often called face plates the term used by commercial divers "
(FYI Bill Barada was a local diver, fellow LA Co UW instructor & NAUI A class instructor and an occasional diving buddy. My copy is inscribed to me by Bill & Lloyd- Possibly the only one in the world so inscribed)
(*"NAUI A Instructor" - when NAUI began in August 1960 the organization needed knowledgeable, experienced active instructors to strengthen the fledgling program, therefore the A or Associate program was created. Bill was A #1 , I am A 27. Now after all these almost 60 years only two of the A program remain,. my self and @Dr. bill s close personal friend Zale Parry who is as I recall A 12--- the passing parade of recreational diving )
John --- Keep up the good work-- The diving world needs you
Sam, Miller, 111