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 Park, California Menlo Park. There are two libraries within the city, the Main branch and the Belle Haven branch. These libraries are part of the Peninsula Library System and share many resources with other nearby libraries. Much of Menlo Park's economy revolves around the companies on Sand Hill Road, consisting of venture capital, private equity, financial services, law firms, and other professional service companies and investment vehicles focusing on technology. Geron, Robert Half International, Exponent, "Sunset" and SRI International are among the companies based in Menlo Park. Facebook moved its headquarters to the former campus of Sun Microsystems in Menlo Park in