Items

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  [Z005AP], Letter from Thomas Alva Edison to William Henry Preece, February 19th, 1878

  1878-02-19
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  [X312A], Letter from Thomas Alva Edison to Franklin Hodgkins Badger, September 26th, 1877

  1877-09-26
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  [X156BA] Artwork, c. 1900

  1900-00-00
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  [X154A1AK], Memorandum, Thomas Alva Edison, December 24th, 1877

  1877-12-24
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  [X128B019], Technical Note, John F Ott, Thomas Alva Edison, September 1881

  1881-09-00
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  [X111CH], Publication, Edison's Electric Pen and Duplicating Press Co, 1876

  1876-00-00
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  [X111CF], Letter from Charles Batchelor to Thomas Alva Edison, June 1876

  1876-06-00
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  [X111CE], Letter from Thomas Alva Edison to Marshall Lefferts, June 1876

  1876-06-00
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  [X111CD], Letter from Amasa Mason to Marshall Lefferts, June 30th, 1876

  1876-06-30
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  [X111CC], Bill/Receipt from Edison's Electric Pen and Duplicating Press Co to Marshall Lefferts, June 17th, 1876

  1876-06-17
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  [X111CB], Letter from George B Walter to Thomas Alva Edison, June 15th, 1876

  1876-06-15
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  [X111BZ], Letter from George B Walter to Thomas Alva Edison, June 9th, 1876

  1876-06-09
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  [X111BY], Letter from Amasa Mason to Marshall Lefferts, June 3rd, 1876

  1876-06-03
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  [X111BX], Letter from Charles Batchelor to Marshall Lefferts, June 2nd, 1876

  1876-06-02
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  [X111BW], Memorandum, Amasa Mason, May 1876

  1876-05-00
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  [X111BV], Letter from Amasa Mason to Marshall Lefferts, May 30th, 1876

  1876-05-30
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  [X111BU], Letter from Amasa Mason to Marshall Lefferts, May 27th, 1876

  1876-05-27
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  [X111BT], Letter from George B Walter to Thomas Alva Edison, May 26th, 1876

  1876-05-26
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  [X111BS], Memorandum, Ricarde Seaver, May 26th, 1876

  1876-05-26
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  [X111BR], Letter from Amasa Mason to Marshall Lefferts, May 25th, 1876

  1876-05-25
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  [X111BP], Letter from George B Walter to Thomas Alva Edison, May 23rd, 1876

  1876-05-23
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  [X111BO], Letter from George B Walter to Thomas Alva Edison, May 23rd, 1876

  1876-05-23
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  [X111BN], Letter from John Fox Gloyn to George B Walter, Thomas Alva Edison, May 23rd, 1876

  1876-05-23
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  [X111BM], Letter from George B Walter to Marshall Lefferts, May 20th, 1876

  1876-05-20
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  [X111BL], Letter from Marshall Lefferts to George B Walter, May 19th, 1876

  1876-05-19
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  [X111BK], Letter from George B Walter to Thomas Alva Edison, May 11th, 1876

  1876-05-11
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  [X111BJ], Telegram from Thomas Alva Edison to Marshall Lefferts, May 11th, 1876

  1876-05-11
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  [X111BI], Telegram from Marshall Lefferts to Thomas Alva Edison, May 9th, 1876

  1876-05-09
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  [X111BH], Letter from Thomas Alva Edison to Marshall Lefferts, May 5th, 1876

  1876-05-05
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  [X111BG], Telegram from Thomas Alva Edison to Marshall Lefferts, May 5th, 1876

  1876-05-05
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  [X111BF], Letter from Amasa Mason to Marshall Lefferts, May 5th, 1876

  1876-05-05
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  [X111BE1], Agreement, Marshall Lefferts, Thomas Alva Edison, May 1st, 1876

  1876-05-01
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  [X111BE], Letter from Thomas Alva Edison to Marshall Lefferts, May 1st, 1876

  1876-05-01
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  [X111BC], Letter from Amasa Mason to Marshall Lefferts, April 13th, 1876

  1876-04-13
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  [X111BB], Letter from Thomas Alva Edison to Marshall Lefferts, April 11th, 1876

  1876-04-11
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  [X111BA], Letter from Thomas Alva Edison to Marshall Lefferts, April 11th, 1876

  1876-04-11
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  [X111AZ], Letter from Amasa Mason to Marshall Lefferts, April 8th, 1876

  1876-04-08
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  [X111ay1], Agreement, George B Walter, Thomas Alva Edison, January 28th, 1876

  1876-01-28
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  [X111AY], Letter from George B Walter to Thomas Alva Edison, January 31st, 1876

  1876-01-31
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  [X154A2BF], Letter from Charles Augustus Cheever to Gardiner Greene Hubbard, April 30th, 1878

  1878-04-30
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  [X077AD], Letter from Samuel Insull to Thomas Alva Edison, April 11th, 1887

  1887-04-11
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  [X060AC], Letter from Thomas Alva Edison to Frederick W Royce, May 29th, 1876

  1876-05-29
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  [X060AB], Letter from Thomas Alva Edison to Frederick W Royce, May 16th, 1876

  1876-05-16
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  [X060AA], Letter from Thomas Alva Edison to Frederick W Royce, May 9th, 1876

  1876-05-09
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  [X031D], Report from Exhibition. Philadelphia Centennial (1876), Joseph Henry, August 1st, 1876

  1876-08-01
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  [X031A], Report from Exhibition. Philadelphia Centennial (1876), Joseph Henry, William Thomson (Lord Kelvin), March 20th, 1876

  1876-03-20
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  [X098A003], Publication, Thomas Alva Edison, February 5th, 1881

  1881-02-05
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  [X0980l] Reminiscence, c. 1900

  1900-00-00
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  [X0980A] Reminiscence, c. 1900

  1900-00-00
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  [X012CE], Letter from George Harrison Bliss to Gardiner Greene Hubbard, June 29th, 1878

  1878-06-29
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  [X012CC], Letter from George Harrison Bliss to Gardiner Greene Hubbard, May 10th, 1878

  1878-05-10
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  [X012CB], Letter from George Harrison Bliss to Gardiner Greene Hubbard, April 18th, 1878

  1878-04-18
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  [X012CA], Letter from George Harrison Bliss to Gardiner Greene Hubbard, April 1st, 1878

  1878-04-01
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  [X001J6F], Reminiscence, Henry Alexander Campbell, July 11th, 1929

  1929-07-11
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  [X001H1BN], Agreement, Dick (A.B.) Co, Robert Gilliland, Thomas Alva Edison, September 20th, 1887

  1887-09-20
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  [X001H1BM], Agreement, Thomas Alva Edison, Robert Gilliland, Dick (A.B.) Co, August 4th, 1887

  1887-08-04
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  [X001E06C], Letter from Francis Jehl to Dick (A.B.) Co, November 29th, 1933

  1933-11-29
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  [X001E06B], Letter from Albert Blake Dick to Francis Jehl, September 19th, 1930

  1930-09-19
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  [X001E06A], Letter from Albert Blake Dick to Francis Jehl, September 15th, 1930

  1930-09-15
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  [X012L1F], Agreement, Thomas Alva Edison, January 17th, 1880

  1880-01-17
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  [X012L1E], Letter from Milo G Kellogg to Francis Raymond Welles, January 18th, 1880

  1880-01-18
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  [X012L1C], Agreement, Western Electric Co, Charles E Holland, George Harrison Bliss, May 14th, 1879

  1879-05-14
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  [X012L1A], Agreement, Thomas Alva Edison, Robert Gilliland, George Harrison Bliss, Charles E Holland, April 27th, 1877

  1877-04-27
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  [X001J8DT], Letter from Charles Lorenzo Clarke to Francis Jehl, April 11th, 1934

  1934-04-11
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  [X001A2D], Letter from Samuel Insull to Thomas Alva Edison, April 11th, 1887

  1887-04-11
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  [W100DFA052], Legal Testimony, Charles Batchelor, June 30th, 1885

  1885-06-30
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  [W100CANE], Incorporation Record, Edison's Electric Pen and Duplicating Press Co, May 5th, 1876

  1876-05-05
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  [W100CAND], Letter from Alexander Masterton, Manufacturers and Merchants Bank to Thomas Alva Edison, March 17th, 1876

  1876-03-17
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  [W100CANC], Letter from Thomas Alva Edison to Alexander Masterton, Manufacturers and Merchants Bank, March 13th, 1876

  1876-03-13
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  [W100CANB], Publication, Edison's Electric Pen and Duplicating Press Co, 1876

  1876-00-00
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  [W100CANA], Publication, Thomas Alva Edison, March 7th, 1876

  1876-03-07
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  [W100CAM], Agreement, Lily G Yeaton, Charles Batchelor, Charles C Yeaton, Thomas Alva Edison, March 4th, 1876

  1876-03-04
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  [W100CAL], Agreement, Thomas Alva Edison, Robert Gilliland, February 8th, 1876

  1876-02-08
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  [W100AAZ], Patent Caveat, Thomas Alva Edison, November 11th, 1875

  1875-11-11
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  [W100AAY], Patent Caveat, Thomas Alva Edison, September 23rd, 1875

  1875-09-23
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  [SB593H], Letter from Frank McLaughlin to Thomas Alva Edison, November 19th, 1875

  1875-11-19
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  [SB593F], Letter from J F Blackman to George Harrison Bliss, September 22nd, 1877

  1877-09-22
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  [SB593E], Letter from U.S. Post Office Dept to George W Caldwell, August 12th, 1876

  1876-08-12
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  [SB593D], Publication, Charles Batchelor, August 4th, 1876

  1876-08-04
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  [SB593C], Letter from Edison's Electric Pen and Duplicating Press Co, George W Caldwell to France. Commission to Centennial Exhibitoon, 1876

  1876-00-00
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  [SB593B], Publication, Charles Batchelor, 1876

  1876-00-00
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  [SB144L], Publication, American Novelty Co, January 10th, 1877

  1877-01-10
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  [SB144I], Publication, Edison's Electric Pen and Duplicating Press Co, Thomas Alva Edison, 1876

  1876-00-00
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  [SB144B], Publication, Thomas Alva Edison, October 1st, 1875

  1875-10-01
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  [SB032151], Publication, Electric Writing Co Ltd, 1878

  1878-00-00
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  [SB032106], Publication, Edison Foreign Electric Pen Co, 1878

  1878-00-00
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  [SB032105], Publication, Electrograph Circular Co, 1878

  1878-00-00
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  [SB032104], Publication, Edison Foreign Electric Pen Co, 1878

  1878-00-00
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  [QD006098], Legal Testimony, Martin N Force, June 27th, 1881

  1881-06-27
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  [PT032AAZ], Patent Application, Thomas Alva Edison, May 26th, 1888

  1888-05-26
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  [PT007A499], Letter from Thomas Alva Edison to American Novelty Co, November 23rd, 1876

  1876-11-23
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  [PT004] Patent Application, c. 1876

  1876-00-00
• No image

  [PA424] Artifact, February 7th, 1876

  1876-02-07
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  [NV11203], Technical Note, James Adams, June 21st, 1877

  1877-06-21
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  [NV08135], Technical Note, Thomas Alva Edison, January 18th, 1877

  1877-01-18
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  [NV08125], Technical Note, Thomas Alva Edison, January 17th, 1877

  1877-01-17
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  [NV08122], Technical Note, Thomas Alva Edison, February 13th, 1877

  1877-02-13
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  [NS7986CAF], Technical Note, Charles Batchelor, John Kruesi, February 22nd, 1879

  1879-02-22
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  [NS7801C1], Technical Note, Charles Batchelor, May 31st, 1878

  1878-05-31
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  [NS7801B], Technical Note, Charles Batchelor, February 28th, 1878

  1878-02-28