Edison worked out of newwark.
Where he developed telegraph-related products for
both Westem Union Telegraph company (Then the industry leader) and its rivals.
died
He married 16 year old Mary Stillwell.
despite his prolific telegraph work,Edison encountered financial difficulties by late 1875,but with the help of his father was able to build a laboratory and machine shop in Menlo Park,New Jersey,12 miles south of Newark.