Goebel defense of infringers of Edison's patent of the incandescent lamp: At most they were experimental toys used to advertise his telescope, or to flash a light upon his clock, or to attract customers to his shop. They were crudely constructed and their...
Edison: His Life and Inventions - Page 728
by Frank Lewis Dyer, Thomas Commerford Martin - 1910 - 998 pages
Full view -