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.
To help you plan your trip to this park, hereâs a list of things to know and do at Big Bend National Park: Best time of year to visit Big Bend. The best time to go is probably in the fall, spring, or early summer. Big Bend is its busiest during Thanksgiving, Christmas holidays, and spring break.