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.
Winter snow usually closes the Yosemite National Park road until May, but this year the road and visitor services at the view... Glacier Point Road in Yosemite National Park, which provides access to the popular Glacier Point overlook, opened Saturday (yes, today) -- the earliest date in 20 years.he park's website shows it usually opens in mid-to late May. No word yet on when Tioga Road will open. The main east-west artery across the park that provides access to the high country opened on May 2 last year. Info: Yosemite National Park, (209) 372-0200 (for road information).