Items
Items
Relation is exactly
Hart, George Edwin
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[HK5037AC], Letter from Richard Wesley Kellow to Stephen Babcock Mambert, December 23rd, 1920
1920-12-23 -
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[NB254A18], Technical Note, Elmer Ellsworth Dougherty, October 31st, 1919
1919-10-31 -
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[NB254A20], Technical Note, Elmer Ellsworth Dougherty, November 2nd, 1919
1919-11-02 -
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[NB254A30], Technical Note, Elmer Ellsworth Dougherty, December 1st, 1919
1919-12-01 -
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[NB254A78], Technical Note, Elmer Ellsworth Dougherty, January 13th, 1920
1920-01-13 -
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[NB254B066A], Technical Note, Elmer Ellsworth Dougherty, April 8th, 1920
1920-04-08 -
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[NB254B075], Technical Note, Elmer Ellsworth Dougherty, April 26th, 1920
1920-04-26 -
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[NB254B100], Technical Note, Elmer Ellsworth Dougherty, July 7th, 1920
1920-07-07 -
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[NB264129], Technical Note, William Alphonsus Hayes, June 8th, 1921
1921-06-08 -
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[NB264134], Technical Note, William Alphonsus Hayes, June 14th, 1921
1921-06-14 -
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[NP121014A] Diary, c. 1919
1919-00-00 -
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[NP121022] Diary, c. 1919
1919-00-00 -
[PT5137A], Letter from Thomas Alva Edison to William Abbott Hardy, April 20th, 1925
1925-04-20 -
[X156JJ], Letter from Thomas Alva Edison to Jeffrey Patrick Buchanan, 1924
1924-00-00 -
[X156JN], Letter from Thomas Alva Edison to Jeffrey Patrick Buchanan, 1924
1924-00-00 -
[X156LL], Letter from Thomas Alva Edison to Jeffrey Patrick Buchanan, 1925
1925-00-00