Items
Items
Creator is exactly
Fehen (Edison Employee)
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[NB239] Technical Note, c. 1918
1918-00-00 -
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[NB239003], Technical Note, Fehen (Edison Employee), Newman Henry Holland, William Alphonsus Hayes, March 1918
1918-03-00 -
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[NB239007], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), April 1918
1918-04-00 -
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[NB239013], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), May 1918
1918-05-00 -
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[NB239016], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), June 1918
1918-06-00