Communications: Sending the MessageOliver Press, 1997 - 144 Seiten Discusses the scientists and inventors responsible for the advances in communications technology, including Johann Gutenberg, Samuel Morse, Thomas Edison, and Philo Farnsworth. |
Communications: Sending the MessageOliver Press, 1997 - 144 Seiten Discusses the scientists and inventors responsible for the advances in communications technology, including Johann Gutenberg, Samuel Morse, Thomas Edison, and Philo Farnsworth. |