338
97
. no. 8067-8072 (not reproduced this report), taken
September 1939.
338 NPS, "HSR, Edison NHS, Building 1," 8.automobile use and developing electrical generator and starter.
337 "Classification Buildings," June 13, 1939, Historical Department Records.
The sorry state Edison’s phonograph business during the late 1920s finally
forced him enter the era electrical recording and reproduction. Many instruments stored
in Building were later stored the third floor Building prior their
removal the Henry Ford Museum Dearborn, Michigan. large cabinet with double glass doors and
numerous shelves was probably used for this purpose.336 The large open space was filled with experimental tables,
machine tools (mainly drill presses and hydraulic presses), and battery testing
apparatus.
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.440/71 through 12. This project
led the dismantling the line experimental rooms the east side the
building.) The two rooms the rear of
this building were also used this project. nos.440/75, neg. 8071, reproduced this report figure 14.440/76, neg. The room the west side was used
for battery testing and remained equipped for this function during the 1930s. Theodore
Edison was charge developing the Western Electric technology and applying
it Edison phonographs. 12. the end the decade Thomas Edison, Inc.336 (See schematic plan 3.337
335 NPS, "HSR, Edison NHS, Building 1," 9. was
manufacturing line the new "electric" talking machines with several radio-
phonograph combinations. This development work was led Theodore Edison
and probably took place Building his laboratory the front office (see 40
for more Theodore Edison).
334 Photographs 12. The latter occupied long wooden tables which ran along the center of
the room (figure 14). Photo no. The brick pier tables were probably taken out 1923/24 during these
experiments
