Sinclair Research "FM Wristwatch Radio", an LCD wristwatch with a radio attached. However, the watch had several problems and never went into full production. Sinclair had long had an interest in electric vehicles, and during the early 1980s he worked on the design of a single-seater "personal vehicle", eventually starting a company called Sinclair Vehicles Ltd in March 1983. He launched the Sinclair C5 electric vehicle on 10 January 1985, but it was a commercial disaster, selling only 17,000 units and losing Sinclair £7,000,000. Sinclair Vehicles went into liquidation later the same year. The failure of the C5, combined with those of
Type 3 submergence transport vehicle Type 3 submergence transport vehicle The was a class of transport submarines built for the Imperial Japanese Army (IJA) during the Second World War. The IJA planned to build over 400 boats, however only 38 boats were completed until the end of war. The IJA called them . In 1943 the IJA decided to build a transport submarine for themselves, because the IJA was soundly beaten in the Solomon Islands campaign and needed a way to supply the isolated garrisons on the Pacific islands. The class consists of four unofficial subclasses resulting from manufacturing differences among the contracted builders. The