Most people think the electric light bulb (1)invented / was invented by Thomas Edison?
Most people think the electric light bulb (1)invented / was invented by Thomas Edison. In fact, it was Humphry Davy who (2)invented / was invented it in 1800. In 1655 Huygens (3)discovered / was discovered Titan, the largest moon of Saturn. The first microwave ovens (4)produced / were produced by The Raytheon Corporation in 1954 in 1928 the colour TV (5)developed / was developed by John Logie Baird. Two years later he (6)made / was made the first public TV broadcast. The first book in English (7)printed / was printed in about 1474 by William Caxton. The first designs of a submarine (8)made / were made by Leonardo da Vinci.