337
335 NPS, "HSR, Edison NHS, Building 1," 9. large cabinet with double glass doors and
numerous shelves was probably used for this purpose. This development work was led Theodore Edison
and probably took place Building his laboratory the front office (see 40
for more Theodore Edison).336 (See schematic plan 3. This project
led the dismantling the line experimental rooms the east side the
building. The brick pier tables were probably taken out 1923/24 during these
experiments.
The sorry state Edison’s phonograph business during the late 1920s finally
forced him enter the era electrical recording and reproduction.440/71 through 12.440/76, neg. the end the decade Thomas Edison, Inc.
338 NPS, "HSR, Edison NHS, Building 1," 8. 8071, reproduced this report figure 14. The room the west side was used
for battery testing and remained equipped for this function during the 1930s. The latter occupied long wooden tables which ran along the center of
the room (figure 14).automobile use and developing electrical generator and starter.336 The large open space was filled with experimental tables,
machine tools (mainly drill presses and hydraulic presses), and battery testing
apparatus.
334 Photographs 12. Photo no. no.
Throughout this period Building remained store room for many electrical
measuring instruments and other valuable apparatus related the early days of
the West Orange laboratory. 12.440/75, neg. nos.) The two rooms the rear of
this building were also used this project. Theodore
Edison was charge developing the Western Electric technology and applying
it Edison phonographs. 8067-8072 (not reproduced this report), taken
September 1939.
337 "Classification Buildings," June 13, 1939, Historical Department Records. Many instruments stored
in Building were later stored the third floor Building prior their
removal the Henry Ford Museum Dearborn, Michigan. was
manufacturing line the new "electric" talking machines with several radio-
phonograph combinations.338
97
