Патенты Тесла - 568,176 APPARATUS FOR PRODUCING ELECTRIC CURRENTS OF HIGH FREQUENCY AND POTENTIAL September 22, 1896
568,176 APPARATUS FOR PRODUCING ELECTRIC CURRENTS OF HIGH FREQUENCY AND POTENTIAL September 22, 1896
Размер файла: 261.66 KB Дата публикации: 2004-12-01
lib/patent/00568176.pdf