Nicholas Roosevelt (inventor) 74-gun ships. In 1797, with Robert R. Livingston and John Stevens, he agreed to build a boat on joint account, for which the engines were to be constructed by Roosevelt, and the propelling agency was to be that planned by Livingston. The experiment failed, the speed attained being only equivalent to about in still water. On September 6, 1798, Roosevelt described and earnestly recommended to Livingston a vertical wheel, which is the first practical suggestion of the combination that made steam navigation a commercial success, although four years later Robert Fulton believed that chains and floats were alone to be
First video-recording from a submarine First video-recording from a submarine The first successful video-recording from a non-military submarine was made in May 1969. The purpose of the recording was to document the inspection and condition of an offshore oil storage unit located in of water off the Louisiana coast. During the mid-1960s and early 1970s, there was widespread interest in the United States in the topic of oceanography. Several major firms built small research submarines to explore the oceans. The major subs were "Deep Star 4000", designed by Jacques Cousteau and built by Westinghouse Electric Company; "Aluminaut", the first aluminum sub which was built by