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In 1969, Californian Lamartine Cavanaugh (Marty) Trent designed a high-speed rail monorail capable of going 300 mph (482 km/h). Marty was an engineer for the North American Rockwell Corporation. It was originally designed as a toy for his daughters to play with. He patented the idea and his company seriously reviewed it as a public transportation system. For the first time ever, all the known documents, photos and patents related to the proposal have been put together in a 35 page booklet.