1. The 200" telescope, Palomar Mountain, California Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
2. 200-inch Hale telescope Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
3. The 200-inch Hale telescope of the Mount Wilson and Palomar Observatories Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: (c) 1965 Institution: Anna Maria College
4. The dome of Palomar Observatory's 200" telescope is shown here on the morning after a winter storm Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
5. The honeycombed structure of the 200" mirror sets waiting for the thin aluminum coating that will give it its high reflectivity Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
6. Interior view of Palomar Mountain Observatory, showing details of world's largest telescope Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
7. Largest (200-inch) mirror in the world Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
8. Palomar Mountain, California, 200" observatory - assistant seated at control panel with the great mirror in the background Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
9. Palomar Mountain, California, 200" observatory - observer is seated at the Casse-grain focus ready to insert the photographic plate Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College
10. Palomar Mountain, California, 200" observatory - the observer is adjusting the photographic plate Format: Postcards/Cards Collection: Travel Postcards of Charles Blumsack Date: [ca. 1906–1996] Institution: Anna Maria College