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.
Monday, will become available to visitors at Yosemite National Park when Glacier Point Road opens at noon Monday. Photo: Yosemite Conservancy.The greatest lookout of the natural world, 7,214-foot Glacier Point, will open at noon Monday in Yosemite National Park.Itâs one of a series of changes as spring takes hold across Northern California and an early transition to summer arrives in the Sacramento Valley and some regions of the Bay Area foothills.lacier Point Road was opened to bicycles Friday for a preview. The route spans 15.7 miles from the turnoff off Highway 41, located 7 miles south of the main entrance road into Yosemite Valley.