Build your own one-person submarine

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Xlg One Man Sub 1
Here’s how to build your own one-person submarine, from Modern Mechanix 1933 – “Take Thrilling Underwater Cruise in ONE-MAN SUB. YOU get all the keen thrills of deep-sea diving and underwater cruising in this one-man submarine. Towed by a motor-boat, the novel craft will take you down to a depth of at least 30 feet, where you can explore the river or lake bed. Through a special conning tower you can watch the fish as you dart among them, the while maneuvering about like a real submarine.”Link.

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