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.
Our Yosemite 3 Day Tours are ideal for a quick vacation in the wilderness. This tour from San Francisco is a wonderful way to explore Yosemite National Park, especially explore the places that you wouldn't be able to with a tour group. We have four different places for you to stay while you are in Yosemite.