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.
Yosemite National Park covers nearly 1,200 square miles of mountainous terrain in the Sierra Nevada of California. Yosemite is open all year, though some areas of the park are inaccessible by car from approximately November through May due to snow. You can drive your car into and around Yosemite, though we encourage you to use shuttles in some areas.