When Kruesi finished making the phonograph Edison put on the tin foil and then recorded the nursery rhyme Mary Had a Little Lamb; Edison's daughter Marion was at the time nearly five years old and his eldest son was almost two. Edison then adjusted the reproducer and the machine reproduced it perfectly.
Spring in Yosemite National Park. Spring is by far the best time to visit Yosemite Valley. In May the waterfalls are at their peak, the wildflowers are blooming, and the summer crowds have not yet arrived. Daytime temperatures are often divine, but be prepared for chilly temperatures at night.
Summer temperatures can get hot at Yosemite Valley. Normally all but a couple of days in summer heat up to at least 80 Fahrenheit, with about half making it to 90 degrees or more. Every couple of years, a day in July or August will reach 100 Â°F (38 Â°C). Days per month in Yosemite of at least 70, 80 or 90 Â°F. 70 Â°F.