Items

• 

  [X501D30], Technical Note, Charles Francis Hunter, December 8th, 1920

  1920-12-08
• 

  [X501D24] Technical Note, c. 1916

  1916-00-00
• 

  [X501D23], Technical Note, Charles Francis Hunter, 1920

  1920-00-00
• 

  [X501D22] Technical Note, c. 1919

  1919-00-00
• 

  [X501C08], Technical Note, Roy Charles Mitchell, September 8th, 1923

  1923-09-08
• 

  [X501A02], Technical Note, Thomas Alva Edison, July 29th, 1914

  1914-07-29
• 

  [NL006040], Technical Note, Thomas Alva Edison, July 1887

• No image

  [NSUN11b], Technical Note, March 27th, 1888

  1888-03-27
• No image

  [NSUN11A], Technical Note, January 1888

  1888-01-00
• 

  [X401CAC], Technical Note, Charles Edison, January 18th, 1901

  1901-01-18
• 

  [X225AO4], Technical Note, Thomas Alva Edison, May 1922

  1922-05-00
• 

  [X225AO3] Technical Note, c. 1920

  1920-00-00
• 

  [X225AO2] Technical Note, c. 1920

  1920-00-00
• 

  [X225AO1] Technical Note, c. 1920

  1920-00-00
• 

  [X328BS] Technical Note, c. 1920

  1920-00-00
• 

  [X328BR] Technical Note, c. 1920

  1920-00-00
• 

  [X328AU], Technical Note, Thomas Alva Edison, Sherwood Troop (Sam) Moore, June 10th, 1927

  1927-06-10
• 

  [X328AT], Technical Note, Thomas Alva Edison, Sherwood Troop (Sam) Moore, June 6th, 1927

  1927-06-06
• 

  [X328AR], Technical Note, Thomas Alva Edison, February 5th, 1922

  1922-02-05
• 

  [X325G], Technical Note, Thomas Alva Edison, November 4th, 1925

  1925-11-04
• 

  [X323I] Technical Note, c. 1900

  1900-00-00
• 

  [X323H] Technical Note, c. 1900

  1900-00-00
• 

  [X323G] Technical Note, c. 1900

  1900-00-00
• 

  [X323F] Technical Note, c. 1900

  1900-00-00
• 

  [X323E], Technical Note, Thomas Alva Edison, August 9th, 1920

  1920-08-09
• 

  [X323B], Technical Note, Thomas Alva Edison, April 1st, 1910

  1910-04-01
• 

  [X323A], Technical Note, Thomas Alva Edison, March 1st, 1910

  1910-03-01
• 

  [X304B313], Technical Note, General Electric Co, May 8th, 1893

  1893-05-08
• 

  [X304B312], Technical Note, General Electric Co, January 25th, 1893

  1893-01-25
• 

  [X304B310], Technical Note, Edison General Electric Co, January 1st, 1892

  1892-01-01
• 

  [X304B309], Technical Note, Edison General Electric Co, December 1st, 1891

  1891-12-01
• 

  [X304B308], Technical Note, Edison General Electric Co, October 1st, 1891

  1891-10-01
• 

  [X304B307], Technical Note, Edison General Electric Co, August 1st, 1891

  1891-08-01
• 

  [X304B306], Technical Note, Edison General Electric Co, July 1st, 1891

  1891-07-01
• 

  [X304B303], Technical Note, Edison General Electric Co, June 1st, 1891

  1891-06-01
• 

  [X304B301], Technical Note, Edison General Electric Co, May 1st, 1891

  1891-05-01
• 

  [X304B254], Technical Note, Frank Andrew Wardlaw, March 31st, 1892

  1892-03-31
• 

  [X304B218], Technical Note, Frank Andrew Wardlaw, May 9th, 1892

  1892-05-09
• 

  [X304B209], Technical Note, Frank Andrew Wardlaw, March 30th, 1892

  1892-03-30
• 

  [X304B201], Technical Note, Frank Andrew Wardlaw, December 24th, 1891

  1891-12-24
• 

  [X304B108], Technical Note, John H Vail, October 1880

  1880-10-00
• 

  [X304B106], Technical Note, John H Vail, December 20th, 1880

  1880-12-20
• 

  [X304B101], Technical Note, John H Vail, November 1880

  1880-11-00
• 

  [X128D191A], Technical Note, Henry George Wolfe, November 21st, 1917

  1917-11-21
• 

  [X128C57B], Technical Note, Henry George Wolfe, November 21st, 1917

  1917-11-21
• 

  [X128C51B], Technical Note, Thomas Alva Edison, Henry George Wolfe, January 21st, 1918

  1918-01-21
• 

  [X128C44C], Technical Note, William H Knierim, Henry George Wolfe, August 16th, 1917

  1917-08-16
• 

  [X128C40B], Technical Note, Henry George Wolfe, July 20th, 1917

  1917-07-20
• 

  [X128C36D], Technical Note, Benjamin Liebowitz, July 7th, 1917

  1917-07-07
• 

  [X128C33C], Technical Note, Thomas Alva Edison, Bruce Robinson Silver, August 15th, 1917

  1917-08-15
• 

  [X128C28D1], Technical Note, Benjamin Liebowitz, July 27th, 1917

  1917-07-27
• 

  [X128C28C], Technical Note, Benjamin Liebowitz, May 3rd, 1917

  1917-05-03
• 

  [X128C21E], Technical Note, Unknown, June 28th, 1917

  1917-06-28
• 

  [X128C06D1], Technical Note, 1917

  1917-00-00
• 

  [X128BAB], Technical Note, John F Ott, 1895

  1895-00-00
• 

  [X128BAA] Technical Note, c. 1885

  1885-00-00
• 

  [X128B058], Technical Note, John F Ott, December 1886

  1886-12-00
• 

  [X128B057], Technical Note, John F Ott, September 28th, 1886

  1886-09-28
• 

  [X128B055], Technical Note, John F Ott, 1886

  1886-00-00
• 

  [X128B054], Technical Note, John F Ott, Thomas Alva Edison, September 12th, 1886

  1886-09-12
• 

  [X128B053], Technical Note, John F Ott, June 8th, 1886

  1886-06-08
• 

  [X128B050] Technical Note, c. 1885

  1885-00-00
• 

  [X128B049], Technical Note, John F Ott, May 22nd, 1882

  1882-05-22
• 

  [X128B048], Technical Note, John F Ott, Thomas Alva Edison, May 20th, 1882

  1882-05-20
• 

  [X128B042], Technical Note, John F Ott, Thomas Alva Edison, 1881

  1881-00-00
• 

  [X128B037A], Technical Note, John F Ott, Thomas Alva Edison, July 1st, 1881

  1881-07-01
• 

  [X128B037], Technical Note, John F Ott, August 26th, 1881

  1881-08-26
• 

  [X128B036A], Technical Note, John F Ott, March 1881

  1881-03-00
• 

  [X128B036], Technical Note, John F Ott, April 6th, 1882

  1882-04-06
• 

  [X128B035], Technical Note, John F Ott, August 28th, 1881

  1881-08-28
• 

  [X128B034A], Technical Note, John F Ott, March 16th, 1881

  1881-03-16
• 

  [X128B034], Technical Note, John F Ott, January 12th, 1881

  1881-01-12
• 

  [X128B033], Technical Note, John F Ott, September 20th, 1881

  1881-09-20
• 

  [X128B032A], Technical Note, John F Ott, October 1881

  1881-10-00
• 

  [X128B032], Technical Note, John F Ott, January 12th, 1881

  1881-01-12
• 

  [X128B030A], Technical Note, John F Ott, February 22nd, 1882

  1882-02-22
• 

  [X128B030], Technical Note, John F Ott, January 12th, 1881

  1881-01-12
• 

  [X128B028], Technical Note, John F Ott, February 7th, 1881

  1881-02-07
• 

  [X128B027A], Technical Note, John F Ott, Thomas Alva Edison, May 1881

  1881-05-00
• 

  [X128B027], Technical Note, John F Ott, February 1882

  1882-02-00
• 

  [X128B026], Technical Note, John F Ott, February 2nd, 1881

  1881-02-02
• 

  [X128B025A], Technical Note, John F Ott, September 1880

  1880-09-00
• 

  [X128B025], Technical Note, John F Ott, February 19th, 1882

  1882-02-19
• 

  [X128B024A], Technical Note, John F Ott, September 15th, 1880

  1880-09-15
• 

  [X128B024], Technical Note, John F Ott, February 19th, 1882

  1882-02-19
• 

  [X128B023], Technical Note, John F Ott, September 5th, 1880

  1880-09-05
• 

  [X128B022A], Technical Note, John F Ott, July 23rd, 1880

  1880-07-23
• 

  [X128B022], Technical Note, John F Ott, February 1882

  1882-02-00
• 

  [X128B021], Technical Note, John F Ott, July 21st, 1880

  1880-07-21
• 

  [X128B020], Technical Note, John F Ott, Thomas Alva Edison, July 23rd, 1880

  1880-07-23
• 

  [X128B019], Technical Note, John F Ott, Thomas Alva Edison, September 1881

  1881-09-00
• 

  [X128B017], Technical Note, Thomas Alva Edison, John F Ott, February 2nd, 1879

  1879-02-02
• 

  [X128B016], Technical Note, John F Ott, January 3rd, 1879

  1879-01-03
• 

  [X128B015], Technical Note, John F Ott, January 2nd, 1879

  1879-01-02
• 

  [X128B014], Technical Note, John F Ott, January 6th, 1879

  1879-01-06
• 

  [X128B012], Technical Note, John F Ott, Thomas Alva Edison, January 30th, 1879

  1879-01-30
• 

  [X128B005], Technical Note, John F Ott, Thomas Alva Edison, December 6th, 1878

  1878-12-06
• 

  [X128B004], Technical Note, Thomas Alva Edison, John F Ott, November 1878

  1878-11-00
• 

  [X128B] Technical Note, c. 1878

  1878-00-00
• 

  [X128AE], Technical Note, Thomas Alva Edison, March 11th, 1886

  1886-03-11