Simon Lake. (1866 - 1945). Inventor, Submarine pioneer. Beginning in the early 1890's, and continuing for over 40 years, Lake built a succession of submarines through which he developed some portion of the submarine technology in use today. He is generally credited with developing the first workable periscope, and pioneering the use of hydroplanes fore and aft to achieve submergence while maintaining an even keel. His contributions to the navy and the marine industry were widespread, and his inventive genius places him among the important naval architects in American history. His submarine business ventures were never terribly successful, however, and he died a poor man. 10 ¼” x 8 ¼” stock certificate for one share of the Lake Submarine Company issued to and signed as president and on verso by Black with green overlay and green seal. Vignette at top center of eagle with spread wings. Pen, punch and cut cancelled. Very fine.