![]() ![]() Edison in Menlo Parkįrom 1870 to 1875, Edison worked out of Newark, New Jersey, where he developed telegraph-related products for both Western Union Telegraph Company (then the industry leader) and its rivals. ![]() In early 1869, he quit telegraphy to pursue invention full time. To address this problem, Edison began to work on inventing devices that would help make things possible for him despite his deafness (including a printer that would convert electrical telegraph signals to letters). ![]() But with the development of auditory signals for the telegraph, he was soon at a disadvantage as a telegrapher. During the Civil War, Edison learned the emerging technology of telegraphy, and traveled around the country working as a telegrapher. ![]()
0 Comments
Leave a Reply. |