He had laboratories at Menlo Park & West Orange, New Jersey
... at his Menlo Park site before moving to West Orange and the lack of 
time he spent with... [DOC] [TLE] History of Thomas Edison's Research Laboratory - Agile Writer [PAR] By 1877, he had earned $40,000 from his inventions and decided it was time ... 
Edison was 30 years old when he built his first laboratory in Menlo Park New 
Jersey, ... At the West Orange complex they invented an alkaline storage battery, 
the... [DOC] [TLE] Thomas Edison's Places of Invention | Lemelson Center for the ... [PAR] Mar 1, 2010 ... Edison&#039;s Menlo Park lab ... Edison's famous "invention factories" in Menlo 
Park and West Orange, New Jersey.