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.
A Housekeeping Camp lodging unit. Located in the Yosemite Valley, Housekeeping Camp is one of the cheapest lodging options for visitors to Yosemite National Park. The camp is open from April through October and is one of the most popular places to stay in the valley. Reservations typically fill up on the first day they become available.