Items
Items
Rights is exactly
Bob Harr
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[X323A], Technical Note, Thomas Alva Edison, March 1st, 1910
1910-03-01 -
[X323B], Technical Note, Thomas Alva Edison, April 1st, 1910
1910-04-01 -
[X323C], Publication, Thomas Alva Edison, 1919
1919-00-00 -
[X323D], Letter from Thomas Alva Edison to John William Lystrup, August 6th, 1920
1920-08-06 -
[X323E], Technical Note, Thomas Alva Edison, August 9th, 1920
1920-08-09 -
[X323F] Technical Note, Undated
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[X323G] Technical Note, Undated
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[X323H] Technical Note, Undated
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[X323I] Technical Note, Undated