Items
Items
Creator is exactly
Sperry, Elmer Ambrose
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[D0911AAF], Letter from American Institute of Electrical Engineers, Elmer Ambrose Sperry to Thomas Alva Edison, February 27th, 1909
1909-02-27 -
[D8503O], Letter from Franklin Silas Terry, Elmer Ambrose Sperry to Thomas Alva Edison, February 14th, 1885
1885-02-14 -
[E1468AA1], Letter from Sperry Gyroscope Co, Elmer Ambrose Sperry to Thomas Alva Edison, February 17th, 1914
1914-02-17 -
[MF02AM], Letter from Elmer Ambrose Sperry, Sperry Gyroscope Co to Thomas Alva Edison, December 16th, 1915
1915-12-16 -
[MF04AY], Letter from Elmer Ambrose Sperry to Thomas Alva Edison, January 20th, 1916
1916-01-20 -
[MF05AW], Letter from Elmer Ambrose Sperry to Thomas Alva Edison, March 28th, 1916
1916-03-28 -
[MF06AI], Letter from Elmer Ambrose Sperry to Thomas Alva Edison, July 27th, 1916
1916-07-27 -
[MF08BF], Letter from Elmer Ambrose Sperry to Thomas Alva Edison, December 19th, 1916
1916-12-19 -
[MF13CE], Letter from Elmer Ambrose Sperry to Thomas Alva Edison, March 16th, 1917
1917-03-16 -
[X453XFL], Letter from Elmer Ambrose Sperry to Mina Miller (Mrs Thomas A.) Edison, July 15th, 1929
1929-07-15 -
[X453XGQ], Letter from Elmer Ambrose Sperry to Mina Miller (Mrs Thomas A.) Edison, August 1st, 1929
1929-08-01 -
[X453XHN], Letter from Elmer Ambrose Sperry to Mina Miller (Mrs Thomas A.) Edison, August 20th, 1929
1929-08-20