Menlo Park, New Jersey the phonograph and developed a commercially viable incandescent light bulb filament. Christie Street in Menlo Park was one of the first streets in the world to use electric lights for illumination. Edison left Menlo Park and moved his home and laboratory to West Orange, New Jersey in 1887. After his death, the Thomas Alva Edison Memorial Tower and Museum was constructed near his old Menlo Park lab and dedicated in 1938. Edison's old lab site and memorial now make up Edison State Park. The municipality in which Menlo Park is located, which was called "Raritan Township" while he was alive,
Menlo, Iowa Menlo, Iowa Menlo is a city in Guthrie County, Iowa, United States. The population was 353 at the 2010 census. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area. Menlo was laid out in 1869. Menlo was first called "The Switch" and then "Guthrie Switch", but it was finally renamed Menlo in order to prevent confusion with Guthrie Center. Menlo is located at (41.522461, -94.405375). According to the United States Census Bureau, the city has a total area of , all of it land. As of the census of 2010, there were 353 people, 147 households, and