Items

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  [D0303AAI], Letter from William Dennis Marks to Thomas Alva Edison, September 2nd, 1903

  1903-09-02
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  [D0406AAG], Letter from William Dennis Marks to Thomas Alva Edison, January 25th, 1904

  1904-01-25
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  [D0506ABF], Letter from William Dennis Marks to Thomas Alva Edison, June 20th, 1905

  1905-06-20
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  [D0812AAK], Letter from William Dennis Marks to Thomas Alva Edison, May 14th, 1908

  1908-05-14
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  [D8020ZCX], Telegram from William Dennis Marks to Thomas Alva Edison, March 26th, 1880

  1880-03-26
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  [D8020ZDB], Letter from William Dennis Marks to Thomas Alva Edison, March 30th, 1880

  1880-03-30
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  [D8606B], Letter from William Dennis Marks to Thomas Alva Edison, April 10th, 1886

  1886-04-10
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  [D8606E], Letter from William Dennis Marks to Thomas Alva Edison, May 18th, 1886

  1886-05-18
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  [D8606F], Letter from William Dennis Marks to Thomas Alva Edison, May 24th, 1886

  1886-05-24
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  [D8705AAL], Letter from William Dennis Marks to Thomas Alva Edison, August 18th, 1887

  1887-08-18
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  [D8733ABJ], Telegram from William Dennis Marks to West Orange Laboratory, December 6th, 1887

  1887-12-06
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  [D8802ABF], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Thomas Alva Edison, September 4th, 1888

  1888-09-04
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  [D8802ABI], Letter from William Dennis Marks, Edison Electric Light Co of Philadelphia to Bergmann & Co, November 5th, 1888

  1888-11-05
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  [D8802ABL], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to John Kruesi, Edison Machine Works, November 10th, 1888

  1888-11-10
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  [D8802ABN], Letter from William Dennis Marks, Edison Electric Light Co of Philadelphia to Edison Machine Works, Samuel Insull, November 13th, 1888

  1888-11-13
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  [D8802ABO], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Bergmann & Co, November 13th, 1888

  1888-11-13
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  [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
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  [D8805AEP], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Alfred Ord Tate, July 19th, 1888

  1888-07-19
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  [D8831AAO], Letter from William Dennis Marks to Thomas Alva Edison, February 21st, 1888

  1888-02-21
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  [D8831AAV], Letter from William Dennis Marks to Thomas Alva Edison, April 30th, 1888

  1888-04-30
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  [D8831AAY], Letter from William Dennis Marks to Thomas Alva Edison, May 10th, 1888

  1888-05-10
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  [D8831AAZ], Letter from William Dennis Marks to Thomas Alva Edison, May 18th, 1888

  1888-05-18
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  [D8831ABA], Letter from William Dennis Marks to Thomas Alva Edison, May 19th, 1888

  1888-05-19
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  [D8831ABS], Letter from William Dennis Marks to Thomas Alva Edison, September 5th, 1888

  1888-09-05
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  [D8831ABV], Letter from William Dennis Marks to Thomas Alva Edison, October 3rd, 1888

  1888-10-03
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  [D8831ABW], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, October 8th, 1888

  1888-10-08
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  [D8831ACA], Letter from William Dennis Marks to Edward Hibberd Johnson, November 1st, 1888

  1888-11-01
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  [D8831ACE], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, November 20th, 1888

  1888-11-20
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  [D8831ACJ], Letter from William Dennis Marks to Thomas Alva Edison, December 18th, 1888

  1888-12-18
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  [D8831ACL], Letter from William Dennis Marks to Edward Hibberd Johnson, December 22nd, 1888

  1888-12-22
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  [D8831ACM], Letter from William Dennis Marks to Thomas Alva Edison, December 22nd, 1888

  1888-12-22
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  [D8831ACN], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, December 1888

  1888-12-00
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  [D8831ACP], Letter from William Dennis Marks to Edward Hibberd Johnson, 1888

  1888-00-00
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  [D8912AAI], Letter from William Dennis Marks to Thomas Alva Edison, April 26th, 1889

  1889-04-26
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  [D8935ABE], Letter from William Dennis Marks to Thomas Alva Edison, June 25th, 1889

  1889-06-25
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  [D8937AAA], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, January 1st, 1889

  1889-01-01
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  [D8937AAB], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, February 19th, 1889

  1889-02-19
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  [D8937AAC], Letter from William Dennis Marks to Thomas Alva Edison, February 27th, 1889

  1889-02-27
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  [D8937AAD], Letter from William Dennis Marks to Cornelius J Field, February 7th, 1889

  1889-02-07
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  [D8937AAE], Letter from William Dennis Marks to Thomas Alva Edison, March 2nd, 1889

  1889-03-02
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  [D8937AAF], Telegram from William Dennis Marks to Thomas Alva Edison, March 6th, 1889

  1889-03-06
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  [D8937AAG], Telegram from William Dennis Marks to Thomas Alva Edison, March 7th, 1889

  1889-03-07
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  [D8937AAH], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, April 15th, 1889

  1889-04-15
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  [D8937AAJ], Letter from William Dennis Marks to Thomas Alva Edison, April 26th, 1889

  1889-04-26
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  [D8937AAK], Letter from William Dennis Marks to Thomas Alva Edison, May 3rd, 1889

  1889-05-03
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  [D8937AAL], Letter from William Dennis Marks to Thomas Alva Edison, May 8th, 1889

  1889-05-08
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  [D8937AAM], Letter from William Dennis Marks to Edison Electric Light Co of Philadelphia, May 13th, 1889

  1889-05-13
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  [D8937AAN], Letter from William Dennis Marks to Thomas Alva Edison, May 18th, 1889

  1889-05-18
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  [D8937AAO], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, June 19th, 1889

  1889-06-19
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  [D8937AAP], Letter from William Dennis Marks to Thomas Alva Edison, July 7th, 1889

  1889-07-07
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  [D8937AAQ], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, July 10th, 1889

  1889-07-10
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  [D8937AAR], Letter from William Dennis Marks to Thomas Alva Edison, July 18th, 1889

  1889-07-18
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  [D8937AAS1], Letter from Edison General Electric Co, William Dennis Marks to Thomas Alva Edison, July 25th, 1889

  1889-07-25
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  [D8937AAT], Telegram from William Dennis Marks to Thomas Alva Edison, October 7th, 1889

  1889-10-07
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  [D8937AAU], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, October 15th, 1889

  1889-10-15
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  [D8937AAV], Letter from William Dennis Marks to Thomas Alva Edison, October 29th, 1889

  1889-10-29
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  [D8937AAX], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, December 18th, 1889

  1889-12-18
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  [D8937AAY], Letter from William Dennis Marks to Edison Electric Light Co of Philadelphia, 1889

  1889-00-00
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  [D8938AAR], Letter from William Dennis Marks to Thomas Alva Edison, May 27th, 1889

  1889-05-27
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  [D8938AAT], Letter from William Dennis Marks to Thomas Alva Edison, June 17th, 1889

  1889-06-17
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  [D8938AAU], Letter from William Dennis Marks to Thomas Alva Edison, July 3rd, 1889

  1889-07-03
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  [D8938AAV], Letter from William Dennis Marks to George Harrison Bliss, July 2nd, 1889

  1889-07-02
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  [D8938AAW], Letter from William Dennis Marks to Thomas Alva Edison, July 15th, 1889

  1889-07-15
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  [D8938AAX], Letter from William Dennis Marks to Jacob Hobart Herrick, July 15th, 1889

  1889-07-15
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  [D8938AAY], Letter from William Dennis Marks to Thomas Alva Edison, July 16th, 1889

  1889-07-16
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  [D8938ABB], Letter from William Dennis Marks to Henry Villard, July 22nd, 1889

  1889-07-22
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  [D8938ABC], Letter from William Dennis Marks to Henry Villard, February 26th, 1889

  1889-02-26
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  [D8938ABE], Letter from William Dennis Marks to Henry Villard, May 15th, 1889

  1889-05-15
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  [D8938ABF], Letter from William Dennis Marks to Thomas Alva Edison, July 22nd, 1889

  1889-07-22
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  [D8938ABG], Letter from William Dennis Marks to Thomas Alva Edison, July 23rd, 1889

  1889-07-23
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  [D8938ABI], Letter from William Dennis Marks to Thomas Alva Edison, July 29th, 1889

  1889-07-29
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  [D8938ABJ], Letter from William Dennis Marks to Henry Villard, July 30th, 1889

  1889-07-30
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  [D8938ABK], Letter from William Dennis Marks to Arthur Edwin Kennelly, August 8th, 1889

  1889-08-08
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  [D9032AAA], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, January 13th, 1890

  1890-01-13
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  [D9032AAB], Letter from William Dennis Marks to Thomas Alva Edison, January 27th, 1890

  1890-01-27
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  [D9032AAC], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia to Thomas Alva Edison, 1889

  1889-00-00
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  [D9032AAD], Letter from William Dennis Marks to Thomas Alva Edison, January 31st, 1890

  1890-01-31
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  [D9032AAF], Letter from William Dennis Marks to Thomas Alva Edison, February 3rd, 1890

  1890-02-03
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  [D9032AAG], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, February 19th, 1890

  1890-02-19
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  [D9032AAH], Letter from William Dennis Marks to Thomas Alva Edison, February 21st, 1890

  1890-02-21
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  [D9032AAJ], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, March 19th, 1890

  1890-03-19
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  [D9032AAK], Letter from William Dennis Marks to Thomas Alva Edison, May 12th, 1890

  1890-05-12
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  [D9032AAN], Letter from William Dennis Marks to Thomas Alva Edison, May 21st, 1890

  1890-05-21
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  [D9032AAO], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, April 16th, 1890

  1890-04-16
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  [D9032AAP], Letter from William Dennis Marks to L D Brown, April 16th, 1890

  1890-04-16
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  [D9032AAQ], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, May 21st, 1890

  1890-05-21
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  [D9032AAR], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, June 12th, 1890

  1890-06-12
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  [D9032AAT], Letter from William Dennis Marks to Thomas Alva Edison, July 2nd, 1890

  1890-07-02
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  [D9032AAU], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, July 8th, 1890

  1890-07-08
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  [D9032AAV], Letter from William Dennis Marks to Thomas Alva Edison, August 20th, 1890

  1890-08-20
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  [D9032AAW], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, August 20th, 1890

  1890-08-20
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  [D9032AAX], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, October 15th, 1890

  1890-10-15
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  [D9032AAY], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, November 19th, 1890

  1890-11-19
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  [D9032AAZ], Letter from William Dennis Marks to Thomas Alva Edison, November 20th, 1890

  1890-11-20
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  [D9032ABA], Letter from William Dennis Marks to Thomas Alva Edison, December 10th, 1890

  1890-12-10
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  [D9032ABB], Letter from William Dennis Marks to Thomas Alva Edison, December 11th, 1890

  1890-12-11
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  [D9032ABD], Letter from William Dennis Marks to Thomas Alva Edison, December 20th, 1890

  1890-12-20
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  [D9032ABE], Letter from William Dennis Marks to Thomas Alva Edison, December 31st, 1890

  1890-12-31
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  [D9035AAX], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to Francis Robbins Upton, June 10th, 1890

  1890-06-10
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  [D9051ABT], Letter from William Dennis Marks to Thomas Alva Edison, November 4th, 1890

  1890-11-04