...
Unknown
The Silent World is a 1953 book co-authored by Captain Jacques-Yves Cousteau and Frédéric Dumas and edited by James Dugan. Although a French national, Cousteau wrote the book in English. Cousteau and Émile Gagnan designed, built and tested the first "aqua-lung" in the summer of 1943 off the southern coast of France. …
969561213763342091464226624322148189730435794596958160759