100-inch telescope south float, pedestal and worm wheel, Mount

Mount Wilson Observatory Arrival of the 100-inch Mirror

At Mt. Wilson, scientists celebrate 100th birthday of the

Mount Wilson Observatory Discovering Mount Wilson Chapter 7

Mount Wilson 100 Hooker Cassegrain Review

Mount Wilson Observatory - Wikipedia

Mount Wilson 100 Hooker Cassegrain Review

Orion StarBlast 4.5 Equatorial Reflector Telescope Manual

Mount Wilson Observatory Building the 100-inch Telescope

The Longest Minute

100 years of Mount Wilson's 100-inch telescope, the first to

Engineering drawing of the south pedestal for the Hooker 100-inch

Installation of trunnion on the south float of the 100-inch