Items

• [D8963AAA], Telegram from Western Pennsylvania Phonograph Co to West Orange Laboratory, February 8th, 1889
  1889-02-08
• [D8963AAQ], Letter from Western Pennsylvania Phonograph Co, Louis S Clarke to Thomas Alva Edison, June 5th, 1889
  1889-06-05
• [D8963ABF], Letter from Luther Halsey Williams, Western Pennsylvania Phonograph Co to Thomas Hood Macdonald, September 23rd, 1889
  1889-09-23
• [D8963ABG], Letter from Western Pennsylvania Phonograph Co, Luther Halsey Williams to Charles Batchelor, September 23rd, 1889
  1889-09-23
• [D9152AAL], Letter from Henry Frederick Gilg, Western Pennsylvania Phonograph Co to Thomas Alva Edison, August 4th, 1891
  1891-08-04
• [D9240AAB], Letter from Western Pennsylvania Phonograph Co, Henry Frederick Gilg to Edison Phonograph Works, January 11th, 1892
  1892-01-11
• [D9240AAI], Letter from Henry Frederick Gilg, Western Pennsylvania Phonograph Co to Edison Phonograph Works, January 19th, 1892
  1892-01-19
• [D9240AAM], Letter from Henry Frederick Gilg, Western Pennsylvania Phonograph Co to Edison Phonograph Works, February 1st, 1892
  1892-02-01
• [D9244AAH], Letter from Western Pennsylvania Phonograph Co, George B Motheral to North American Phonograph Co, April 23rd, 1892
  1892-04-23