Snorkel Like a Submarine. (Aug, 1951)

It would have never occurred to me to explain a diving snorkel by referencing a submarine, rather I would do it the other way around. What do you think they called it before a “Snorkel”?

Swimmers Get a “Snorkel”
Breathe through the mouthpiece of a midget “snorkel” like a submarine’s, and you can stay under water by the hour. For locating fish, or just for fun, it’s sold at $7.50 by Abercrombie and Fitch, New York. At right, a well equipped swimmer uses snorkel, underwater-vision mask and foot fins.