He had laboratories at Menlo Park & West Orange, New Jersey
[DOC] [TLE] Edison's Laboratory | The Gilder Lehrman Institute of American History [PAR] Nonetheless, the Menlo Park laboratory prefigured a new model of research, ... 
By the early 1880s, Edison had transformed his invention factory into a true .... 
even larger laboratory Edison built in West Orange, New Jersey, in 1887, which 
he... [DOC] [TLE] Thomas Alva Edison Biography - The Edison Papers [PAR] As important, he broadened the notion of invention to encompass what we now ... 
in his two major laboratories at Menlo Park and West Orange in New Jersey but 
in ... His