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
Who put Bella in the Wych Elm? several new leads tracing who Bella could have been. Other messages in the same hand appeared too. Since at least the 1970s, the graffiti has sporadically appeared on the Hagley Obelisk near to where the woman's body was discovered, which asks the slightly modified "Who put Bella in the Witch Elm?." An episode of the television programme "Nazi Murder Mysteries" described a forensic facial reconstruction undertaken by the University of Liverpool's "Face Lab", from photographs of the skull. It was commissioned by Andrew Sparke, for his books on the incident. In a Radio 4 programme first broadcast in August 2014,