Who invented the practical electrical telegraph separately of Joseph Henry?
Isaac Newton
Alexander Graham Bell
Samuel F. B. Morse
Galileo Galilei
Answer
Samuel F. B. Morse is credited with inventing the practical electrical telegraph separately of Joseph Henry. He worked on the telegraph in the 1830s and developed a system of telegraphy that used a code of dots and dashes to represent letters of the alphabet. Morse's telegraph was first used in 1844 to send a message from Washington, D.C. to Baltimore, Maryland.
Unveiling the Legacy: Joseph Henry Quiz
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