<Li> Pioneer 10 planetary probe </Li> <Li> Mariner IV planetary probe </Li> <Li> Pioneer - Venus planetary probe </Li> <P> The museum's history dates back to the first California State Exhibition building, which opened in Exposition Park in Los Angeles in 1912, the site of an agricultural fairground from 1872 to 1910 . The brick and terra cotta building, designed by William D. Coates, Jr., state architect, and N. Ellery, state engineer, displayed agriculturally - based natural resources and industrial products from across the state, including ranching, fish and game, coal mining, gold mining, oil production, and lumbering, as well as some of the state's recreational attractions . After World War II, the building also featured exhibits about state science and technology industries . </P>

Museum of science and industry los angeles california