El Paso Electric Company December 1st, 1899 Nikola Tesla's receipt from The El Paso Electric Company in Colorado Springs, Colorado for work...
Anton Hubner July 22nd, 1899 Mr. Anton Hubner seems to have been one of Nikola Tesla's assistants in Colorado Springs. Mr. Hubner...
Giddings Brothers 1899 A receipt from a dry goods store in Colorado Springs where Nikola Tesla purchased felt.