Monday, February 7, 2011
Zainab Mohamed: famouas inventions
Zainab Mohamed: famouas inventions: "John Baird - Mechanical Television System 'Box' Telephone, 1876, invented by Alexander Graham Bell (1847-1922) Telegraph Register Pate..."
famouas inventions
John Baird - Mechanical Television System
"Box" Telephone, 1876, invented by Alexander Graham Bell (1847-1922)
Telegraph Register Patent Model, patented May 1, 1849, patent number 6,420, by Samuel F. B.Morse (1791-1872)
Sewing Machine patent model, patented May 30, 1853, patent number 10975, invented by Isaac M. Singer (1811-75)
Thomas Edison invented the light bulb, he tried over 2000 experiments
before he got it to work
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