Some correspondence with Elmer Gates. John Vandenberg 13:23, 1 September 2007 (UTC)
Some sources:
- SELECTED TESLA WRITINGS
- Pepe's Tesla Pages
- Google Books : The Nikola Tesla Treasury Partial preview only, but many complete texts
Some correspondence with Elmer Gates. John Vandenberg 13:23, 1 September 2007 (UTC)Reply
Some sources: