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

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A. 2S7 Wangemann material Biographical Collection. 92-94, 97. was not assigned an unskilled helper, was common practice the laboratory. He joined the staff before 1889. 78 . 50-52. expert making records from celluloid, Philpot was hired away from the Indestructible Record Company and brought West Orange before 1910. was one several formally- trained German experimenters the West Orange laboratory and like them was called ’’Professor’ the rest the staff.268 Wangemann was struck and killed train June 1906. 270 C.267 spent part 1889 Germany demonstrating the new Edison phonograph. 1906 joined the laboratory and moved into office the third floor. Deshler was charge the lamp testing operation this floor. Albert Petit. His task was improve the business phonograph and explore new types dictating machines. joined the staff 1888 and became important figure the development cylinder and disc records and the construction machines duplicate recordings, with several patents awarded these areas. Wangemann was German experimenter who helped build recording studio the third floor and was charge making records. Hibbard was one the first engineers hired West Orange to work developing one product exclusively. had least three assistants: Arthur Payne, John Marshall,266 and Joseph Harris.271 Charles Hibbard. Wilson Hird, August 18, 1911 (in 1911, Phonograph-Manufacture). 271 Frank Dyer Samuel Insull, March 23, 1911, Record Manufacturing Division Records, Box 17. 269 Historian’s Note 90.269 While working the disc record project carried out test pressing coated blanks in this room. was head the experimental phonograph department the laboratory. Petit was based Building but had office the third floor, doubt close the phonograph testing room. Instead, was 285 Marshall, Recollections ofEdison, pp. was aided his recording work by the young Walter Miller, who picked the tricks the trade from him.Charles Deshler. Mary Childs Nemey interview with Walter Miller, Notebook N-28-11-01, pp. Theo Wangemann. Petit had assisted Bell and Tainter their Volta laboratories and was lured away the West Orange laboratory.270 Albert Brian Philpot.H.266 266 Edison Pioneers Records, Box 23