Inventions
Thomas Alva Edison invented a lot of devices such as Phonograph, Motion-Picture Camera, Long-lasting light bulb and many more.
The invention that benefits mankind most is the long-lasting light bulb. Thomas Edison's first successful test of his long-lasting light bulb was on Oct 22, 1879 and it lasted 40 hours. He continued to improved this design. he and his team discovered a carbonised bamboo filament that could last over 1,200 hours. He filed for us. Patent 223,898 and it was granted on Jan 27, 1880.
Thomas Alva Edison invented a lot of devices such as Phonograph, Motion-Picture Camera, Long-lasting light bulb and many more.
The invention that benefits mankind most is the long-lasting light bulb. Thomas Edison's first successful test of his long-lasting light bulb was on Oct 22, 1879 and it lasted 40 hours. He continued to improved this design. he and his team discovered a carbonised bamboo filament that could last over 1,200 hours. He filed for us. Patent 223,898 and it was granted on Jan 27, 1880.
