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.
Big Oak Flat Road (Hwy 120) closed into Yosemite Valley; no access to Yosemite Valley via Hwy 120. Evening Programs. Yosemite National Park offers a range of natural and cultural history programs that will enrich your experience while in the park. Check out the Yosemite Guide to see what programs fit into your plans. During the warmer months, evening presentations are held at the amphitheaters at Half Dome Village and Yosemite Valley Lodge. In the winter, theyâre held indoors at Yosemite Valley Lodge. The free programs are typically one hour long, and reservations are not needed. Please check the Yosemite Guide for up-to-date information and offerings. Remember to bring warm layers as evenings are typically cool, even in the summer.