Items

• [D8802ABF], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, September 4th, 1888
  1888-09-04
• [D8802ABI], Letter from William Dennis Marks, Edison Electric Light Co of Philadelphia to Bergmann & Co, November 5th, 1888
  1888-11-05
• [D8802ABL], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to John Kruesi, Edison Machine Works, November 10th, 1888
  1888-11-10
• [D8802ABN], Letter from William Dennis Marks, Edison Electric Light Co of Philadelphia to Edison Machine Works, Samuel Insull, November 13th, 1888
  1888-11-13
• [D8802ABO], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Bergmann & Co, November 13th, 1888
  1888-11-13
• [D8802ABW], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Edward Hibberd Johnson, Edison Electric Light Co, November 27th, 1888
  1888-11-27
• [D8805AEP], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Alfred Ord Tate, July 19th, 1888
  1888-07-19
• [D9032AAA], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, January 13th, 1890
  1890-01-13
• [D9032AAC], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia to Thomas Alva Edison, 1889
  1889-00-00
• [D9032AAG], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, February 19th, 1890
  1890-02-19
• [D9032AAJ], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, March 19th, 1890
  1890-03-19
• [D9032AAO], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, April 16th, 1890
  1890-04-16
• [D9032AAQ], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, May 21st, 1890
  1890-05-21
• [D9032AAR], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, June 12th, 1890
  1890-06-12
• [D9032AAU], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, July 8th, 1890
  1890-07-08
• [D9032AAW], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, August 20th, 1890
  1890-08-20
• [D9032AAX], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, October 15th, 1890
  1890-10-15
• [D9032AAY], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, November 19th, 1890
  1890-11-19
• [D9035AAX], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Francis Robbins Upton, June 10th, 1890
  1890-06-10
• [D9124AAJ], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, April 15th, 1891
  1891-04-15
• [D9124AAV], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, July 15th, 1891
  1891-07-15
• [D9124AAY], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, August 19th, 1891
  1891-08-19
• [D9124ABL], Resolution, Edison Electric Light Co of Philadelphia, 1891
  1891-00-00
• [D9129AAM], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, October 27th, 1891
  1891-10-27
• [D9224AAC], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, May 30th, 1892
  1892-05-30
• [D9324AAB], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, January 3rd, 1893
  1893-01-03
• [D9324AAM], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, March 16th, 1893
  1893-03-16
• [D9324AAR], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Alfred Ord Tate, October 28th, 1893
  1893-10-28
• [D9339AAE2], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, March 16th, 1893
  1893-03-16
• [D9613AAA], Letter from William Dennis Marks, Edison Electric Light Co of Philadelphia to Thomas Alva Edison, January 18th, 1896
  1896-01-18
• [SC91009B1], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to William Henry Wahl, Franklin Institute, February 2nd, 1891
  1891-02-02
• [X001M8A] Instructions, 1888-1889
  1888-1889