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.
Yosemite closes after violent flooding. YOSEMITE NATIONAL PARK, California (CNN) -- Winter storms and floods have forced officials to close the most popular section of Yosemite National Park through at least March 1. Park officials blamed washed-out roads, damaged buildings and broken sewer lines for the lengthy shutdown.