What year did the following happen? Thomas Alva Edison, working in his lab, succeeds in recovering Mary’s Little Lamb from a strip of tinfoil wrapped around a spinning cylinder. He demonstrates his invention in the offices of Scientific American, and the phonograph is born. A. 1877 B. 1921 C. 1901
What year did the following happen? Thomas Alva Edison, working in his lab, succeeds in recovering Mary’s Little Lamb from a strip of tinfoil wrapped around a spinning cylinder. He demonstrates his invention in the offices of Scientific American, and the phonograph is born. A. 1877 B. 1921 C. 1901
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