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Historical Markers and War Memorials in Menlo Park, New Jersey
Location of Menlo Park, New Jersey
► Middlesex County (211) ► Mercer County (286) ► Monmouth County (243) ► Somerset County (159) ► Union County (112) ► Richmond County, New York (116)
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| Plaque 1:
The Menlo Park Laboratory holds the unique distinction of being the location where sound was recorded and played back for the very first time. In July 1877, Thomas Alva Edison came up with the idea of recording and playing back . . . — — Map (db m162587) HM|
| Plaque 1:
1876-1882 Main Laboratory Building
In 1875, Thomas Edison was a young relatively unknown inventor with a shop and small laboratory in Newark, New Jersey. Seeking to move out of the crowded city, he asked his father, Samuel, to look . . . — — Map (db m162435) HM|
| Thomas Edisonís inspiration to perfect the electric railway arose when he stood in the fields of Wyoming in 1878. Gazing out over the vast fields waiting to be harvested, Edison realized that the transportation of the grain by steam engine would be . . . — — Map (db m162266) HM|
| The foundations are of Thomas Alva Edisonís office here at the Menlo Park laboratory complex. The building was completed in early 1879 along with a brick machine shop. This building contained Edisonís massive library and in the basement was a vault . . . — — Map (db m162716) HM|