534 The Edison Home National Historic Site became part of
159
.
631 Annual Report, Thomas Edison, Inc. Donald Collier. Eckert, March 26,
1943; Plan Action the Project Care for the Laboratory Group, Norman Speiden, June 28, 1939, and
Norman Speiden W. made wide range batteries from heavy duty
nickel iron storage batteries for railroad cars the battery that powered the light
in coal miners’ caps.630
At the end World War II, Thomas Edison, Inc. The Director of
Research was Dr.
534 Historian’s Note 129. The laboratories were equipped carry out
experiments physical, chemical and engineering research.
533 "The New Laboratory," Thomas Edison, Inc. Brennan, May 23, 1944, Historical Research Dept. Charles Edison Fund collections. 1952 had prosperous instrument division
making electrical resistance bulbs, temperature indicators and thermal time delay
relays. Thomas Edison, Inc.
Weig James Whitehouse [Regional Director?], Northeast Region, NPS, November 13, 1967. consisted nine
laboratory rooms and nine offices.A.E.
532 NPS, "HSR, Physics Laboratory, Building 1," 10. After World War the laboratory was
operated public use facility the Thomas Edison foundation which had a
lease from the Edison Industries., 1952. also provided control devices and instrumentation for the aircraft
industry. This Note summation memorandum from’ Superintendent Melvin J.532
530 E. The dictating machine division successfully manufactured a
range 'Voicewriter" equipment which included tape, cylinder, and disc
recorders. The staff and equipment which had been
installed Building were transferred the new building February
1953633
In 1954 Charles Edison contacted the National Park Service for advice on
preserving Glenmont; subsequent negotiations lead the donation Edison’s
house the nation. .
In 1952, ground was broken for new laboratory Watchung Avenue, few
hundred feet the south the old Phonograph Works. stood ready apply the
expertise had gained manufacturing war material and was eager join the
military industrial complex. Ellwood Norman Speiden and notations, February 12, 1942; Report Mr.laboratory were given former Edison employees under the supervision the
corporation; tours given during the war were subject tight security and were
required have police escort. Building was converted museum use and
opened the public 1948., Annual Report, 1953, the collections the Charles
Edison Fund.631
The Edison family had long looked the West Orange laboratory museum to
the memory Edison the inventor
