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.
Valley Floor Tour is a two-hour tour of Yosemite Valley that operates all year. From approximately April through October, this is an open-air tram tour (weather permitting). From around October through March, this is a bus tour. Glacier Point Tour is a four-hour round-trip tour to Glacier Point and back.