) See
Summary Sources, this report, for more the Oral History Project. (Hereafter cited interviewee, date, Oral History Project, and page number. was
used for continuous plating experiments. did tests storage battery cells and kept records, and carried out
chemical analysis materials used cells and resistance tests between contact
plates and cell poles. Theodore was the youngest son Edison and Mina.
He worked small room the east the entrance the building. occupied experimental rooms the front Building as
well desk the library, and did important experiments electrical
recording.
Theodore Edison.Joseph Gitz. Theodore also played major role bringing Edison
radio set the market (see for more Building and Theodore Edison). devised universal reproducer that could play all types disc
records the market.
99 Historian’s Note 152; Roderic Peters interview the Columbia University’s Oral History Research
Office, nd, pp. 22-24.99
40
. Gitz was employed the starting battery project from 1924 to
1928. After
graduating from MIT with degree engineering, came work the
laboratory 1923.98
98 Historian’s Note 89
