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.
We are coming to San Francisco (1st time for that too) beginning of October and planning to drive to Las Vegas. The distance between SF and LV is about 570 miles, averaging say 50mph = 11-12 hours.We would love to go via the Yosemite National Park.I understand it is about 4 hours to Yosemite from SF.However, the visitor centre at Yosemite advise that from the park to Vegas is 8-10 hours.he distance between SF and LV is about 570 miles, averaging say 50mph = 11-12 hours. We would love to go via the Yosemite National Park. I understand it is about 4 hours to Yosemite from SF. However, the visitor centre at Yosemite advise that from the park to Vegas is 8-10 hours.