Bergmann and
Company provided the switches, fixtures, and other small parts
of the lighting system.2
bring electric light the world.
Edison soon moved out his laboratory Menlo Park and
set house Granmercy Park lower Manhattan, short walk
away from the headquarters the Edison Electric Light Company
at Fifth Avenue.
Johnson, friend and colleague from their days as
telegraphers. Small lighting installations were
installed the Edison Company for Isolated Lighting, but the
large power stations were erected local lighting companies
who had pay for the Pearl Street technology. The
superintendent the Edison Machine Works was John Kruesi—. The
Electric Lighting Company was presided over Edward H. The Electric Tube Company made underground conductors
and the Edison Lamp Works made incandescent bulbs. The Edison Machine Works was
established New York make heavy dynamos for power
stations. private
secretary, Insull had administered Edison's business and
personal finances and now had the job running the
financial affairs the Edison lighting empire. Edison's
important electrical patents were the hands the Edison
Electric Lighting Company which sold the franchises local
lighting companies and provided overall direction the Edison
electrical empire. Samuel Insull, Edison's secretary Menlo Park
and New York, was made manager the Machine Works. made sure that his friends and allies
were given important positions the new companies
