7992098|Chapter 6. Many New Inventions|222440|Jeanne Intile Burns|734190|American Biographies: Thomas Edison|9128990|570|1|1|0|22821960|9128990|23|0|0|22007175|9956426|13288386|0|00361t5T1WuBtc|004OiOzf3Kb3cp|002wbmMB2eziOZ
7992098|Chapter 6. Many New Inventions|222440|Jeanne Intile Burns|734190|American Biographies: Thomas Edison|9128990|570|1|1|0|22821960|9128990|23|0|0|22007175|9956426|13288386|0|00361t5T1WuBtc|004OiOzf3Kb3cp|002wbmMB2eziOZ