Early problems resulted in a temporary suspension of manufacturing, but Edison’s team of researchers ... and impacted all manner of life for Americans in the 20th century. The American Chemical ...

Fronted by a luxurious mustache, this loyal lieutenant to Thomas Edison was the embodiment of his era: part engineer, part businessman, part Barnum. In 1871, Johnson hired Edison, then a 24-year ...

all this goes back to Thomas Edison’s invention of the phonograph 80 years earlier. Back then, he thought he was inventing a playback dictaphone machine, which would make life easier for clerks ...

Photography became a part of public life in the mid-19th century ... In 1888 in New York City, the great inventor Thomas Edison and his British assistant William Dickson worried that others ...

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