3M Shop Order 2011, Notebook N-99-06-24.354
Photographs taken Building indicate that small table was placed the
north end table between 1915 and 1917 (figure 35). large model nickel
flake separator was installed 1911. Specimens plants from all over the United States were
sent the West Orange laboratory. stood near table 10,
and chair and wastepaper bin stood beside it.361
The storage battery project also brought large machines into Building for
development and testing.1, "New Water Still for Chemical Room/May 21, 08"
3M See also photograph no. Edison’s instructions his
assistants the rubber experiments mention several types mills and describe
104
.devices coat both cylinders and discs with varnish lacquers, such air
brushes and revolving barrel with air and steam pipes attached. 5511A, not reproduced this report.355 Mills
and crushers were used break down the specimens. This was Edison’s personal
table and the one which remains the laboratory today (figure 39). was said that the room used for these experiments was called "the hay
fever room" the laboratory staff, such was the number plants it.
It not known where the job crushing and testing these specimens was carried
out.
During this period, new equipment may have been brought extract rubber
substitutes from plants--the last major experimental campaign undertaken the
chemical laboratory.352 Around 1908, apparatus distill water
was erected the west side the building the front door.
355 Conot, Streak ofLuck, 434. more than likely that the large drums used the
electroplating nickel were first set this laboratory.
Building Period III: 1915-1931
The interior fabric this building remained unchanged during this period but
there were many changes the furnishings. The disc press and phenol
production machines were removed sometime the 1920s. 10.383/7, neg. The large arc lamps
hanging over the center aisle were removed and replaced with twin rows of
incandescent lamps glass shades (figure 37).
352 Ibid. no.363
351 William Meadowcroft TAE, August and September, 1911 (in 1911, WOL-Meadowcroft’s
Reports)
