KIDS QUIZ
FAMOUS INVENTORS AND INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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send and receive telegraph messages
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paint
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play the guitar
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None of the above
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Detailed explanation-1: -The grateful father, J.U. MacKenzie, taught Edison railroad telegraphy as a reward. That winter, he took a job as a telegraph operator in Port Huron.
Detailed explanation-2: -Improving on the Automatic Telegraph When he worked on improving the automatic telegraph between 1870 and 1874, Edison switched the recording system from ink to a chemical base; changed to a metal stylus; and developed an updated perforator (the device that makes the actual dots and dashes on ticker tape).
Detailed explanation-3: -He continued to work on inventions related to the telegraph, and developed his first successful invention, an improved stock ticker called the “Universal Stock Printer". For this and some related inventions Edison was paid $40, 000.