The Phonautograph and Precursors to Edison's Phonograph. An 1859 Koenig phonautograph. While Thomas Edison is rightly credited with the invention of the cylinder phonograph and the means of playing back sound, his ideas were clearly influenced by numerous others who preceded him.
itâs best time to climb El Capitan or Raft along the Merced River. Also, spring if best time to see the Yosemite Falls in all their glory, âwhen melting snow fills the streams with volume. Yosemite is one of the best places in the US to observe the planets, stars, and galaxies.
WHERE IS YOSEMITE NATIONAL PARK? Yosemite, one of eight National Parks in California, is located about 200 miles south east of San Francisco. Nestled among the Sierra Nevada Mountains, it is approximately a 4-5 hour drive to reach the park. Most international travelers would be wise to fly through San Francisco.