Allan Rockwell McCann was in charge of the development of a submarine rescue chamber, which bears his name, "The McCann Submarine Rescue Chamber". Additionally he was assigned as Liaison Officer / Engineer when the submarine was converted for use in the under ice attempt to circumnavigate the Arctic Ice cap and voyage to the North Pole. Modifications to the submarine were extensive, and contained innovations of a telescoping conning tower, an ice drill, an incorporated diving bell and an Air Lock, designed by Simon Lake. The submarine was designated "Nautilus" and leased for one dollar to Lake and Danenhower, Inc., of Bridgeport, Connecticut,
The Purchase of the North Pole The Purchase of the North Pole The Purchase of the North Pole or Topsy-Turvy () is an adventure novel by Jules Verne, published in 1889. It is the third and last novel of the Baltimore Gun Club, first appearing in "From the Earth to the Moon", and later in "Around the Moon", featuring the same characters but set twenty years later. Like some other books of his later years, in this novel Verne tempers his love of science and engineering with a good dose of irony about their potential for harmful abuse and the fallibility of human endeavors. In the