Here are images of the seven stamps in a set depicting significant innovations in the evolution of undersea exploration, issued by Monaco on December 12, 1962, Scott Nos. 521-27.
- nethryk
Traditional divers and modern scuba divers, designed and engraved by Claude Durrens.
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Galeazzi's turret, designed and engraved by Georges Bétemps.
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Williamson's photosphere, 1914, and bathyscape, designed and engraved by Pierre Béquet.
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Klingert suit, 1797, and modern diving suit, designed and engraved by Claude Durrens.
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Diving chamber, designed by Bernard Minne, and engraved by Pierre Béquet.
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Fulton's
Nautilus, 1800, and modern submarine, designed and engraved by Pierre Béquet.
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Alexander the Great's underwater chamber and New York Zoological Society's bathysphere, designed by Bernard Minne, and engraved by Pierre Béquet.
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