.
Edison used rooms all three floors the lab, and the
elimination his room the third floor did not leave him
without place work. The
smaller rooms the library end the second floor contained
the Jewel Department (for reproducer needles) and the cabinet
. Building was also
taken with Edison's work: half was devoted experimenters
under his direction and the other half was the disc record
47
experimental room. 45
design team.
The emphasis engineering services the lab brought
more draftsmen and clerks Building addition the
offices the third floor, drafting was also carried out on
the second floor, close the office the superintendent of
the laboratory's machine shops. Meadowcroft noted that "Edison is
enjoying himself hugely some chemical problems" and that the
Chemical laboratory Building was his favorite place to
work in, the whole West Orange complex. His research perfecting the disc
record led him spend more his time the Chemical
Building, where labored from 1912 1916 eliminate the
surface noise the disc. The new floor plan shows work space that
was once used for experimentation was now devoted mainly to
administration.X-31
together and next were the offices the two phonograph
product engineers. The second floor also housed
the Construction Engineering Department which attended all
changes and repairs the physical plant West Orange
