# Mt. Wilson, California / The Roosevelt Dam, Salt River, Arizona

Mt. Wilson, California / The Roosevelt Dam, Salt River, Arizona Produced: 1917 Description The original catalog description provided by the Ford Motor Company reads as follows: a. Tourists on mule back on mountain trail. “Winding our way up the slopes and across the canyons, the view became more inspiring at every turn.” Panorama of valley below - riders on trail. “Where there’s a mule there’s a way - surefooted and confident that haste is of the devil.” Mule back riders on steep mountain trail. “At an altitude of 3,000 feet we reached the snow line, deep and crisp, covering the mountains like frosting on a huge cake.” Riders, snow-covered mountains. “Here is ‘Old Sandy.’ 40 years young, he has climbed the mountains a thousand times but unlike the prophets he refuses to ‘ascend on high’ rather has he one speed -- low, decidedly low.” Old man driving pack donkey. “At the top we found the snow three feet deep, in fact we were caught in a blizzard that rendered the trails impassable and held us prisoners on the mountain for several days.” Tourists, mules, snow-covered forest. “Mount Wilson has been selected by astronomers as an ideal location for their work, a colony of star gazers living on the mountain the year round.” View of mountain, snow, trees. “The Snow Horizontal Telescope, known as a sun glass. The telescope has a focal length of 154 feet, the largest in the world.” Observatory set on top of tower. “Carnegie Observatory on the summit of the mountain. 12,000 tons of…

- Kind: Educational
- Year: 1917
- By: National Archives
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/fc-fc-476a-b)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/fc-fc-476a-b?play=1)