Items
Creator is exactly
Elektrotechnischer Verein
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[D8311C], Letter from Elektrotechnischer Verein to Thomas Alva Edison, April 26th, 1883
1883-04-26 -
[D9011AAD], Letter from Elektrotechnischer Verein, Mr Hake to Thomas Alva Edison, May 5th, 1890
1890-05-05 -
[D9011AAM], Letter from Elektrotechnischer Verein, Dr Von Stephan to Thomas Alva Edison, November 7th, 1890
1890-11-07