EDISON LABORATORY Edison National Historic Site West Orange, New Jersey Volume 1

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The laboratories were equipped carry out experiments physical, chemical and engineering research. 532 NPS, "HSR, Physics Laboratory, Building 1," 10.631 The Edison family had long looked the West Orange laboratory museum to the memory Edison the inventor.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., 1952.532 530 E. Eckert, March 26, 1943; Plan Action the Project Care for the Laboratory Group, Norman Speiden, June 28, 1939, and Norman Speiden W. Building was converted museum use and opened the public 1948. 533 "The New Laboratory," Thomas Edison, Inc. also provided control devices and instrumentation for the aircraft industry. Ellwood Norman Speiden and notations, February 12, 1942; Report Mr. Weig James Whitehouse [Regional Director?], Northeast Region, NPS, November 13, 1967. The Director of Research was Dr. The dictating machine division successfully manufactured a range 'Voicewriter" equipment which included tape, cylinder, and disc recorders. made wide range batteries from heavy duty nickel iron storage batteries for railroad cars the battery that powered the light in coal miners’ caps. 1952 had prosperous instrument division making electrical resistance bulbs, temperature indicators and thermal time delay relays. consisted nine laboratory rooms and nine offices.534 The Edison Home National Historic Site became part of 159 ., Annual Report, 1953, the collections the Charles Edison Fund.630 At the end World War II, Thomas Edison, Inc.A. 631 Annual Report, Thomas Edison, Inc. . Thomas Edison, Inc. 534 Historian’s Note 129. Charles Edison Fund collections. 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. This Note summation memorandum from’ Superintendent Melvin J. stood ready apply the expertise had gained manufacturing war material and was eager join the military industrial complex. Brennan, May 23, 1944, Historical Research Dept.E. After World War the laboratory was operated public use facility the Thomas Edison foundation which had a lease from the Edison Industries. In 1952, ground was broken for new laboratory Watchung Avenue, few hundred feet the south the old Phonograph Works. Donald Collier