We had to take this piece of carbonized thread to the glass-blower's house," he said. "With the utmost precaution Batchelor took up the precious carbon, and I marched after him, as if guarding a mighty treasure. To our consternation, just as we reached...
Thomas Alva Edison: sixty years of an inventor's life - Page 106
by Francis Arthur Jones - 1908 - 362 pages
Full view -