Items
Relation is exactly
Exhibition. Frankfort (Germany) Electrical (1890)
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[D9040AAV], Letter from Samuel Insull to Thomas Alva Edison, October 17th, 1890 1890-10-17 -
[D9131AAD], Letter from Elektrizitat to Thomas Alva Edison, March 19th, 1891 1891-03-19 -
[LB044427], Letter from Thomas Alva Edison to Samuel Insull, October 15th, 1890 1890-10-15 -
[LB046382], Letter from Alfred Ord Tate to Elektrotechnische Gesellschaft, Eugen Hartmann, January 9th, 1891 1891-01-09