signal mirror:
Cuyamaca_from Palomar_Wide
signal mirror:
32-mile signal mirror flash, zoom
signal mirror:
51 Mile Flash - Gorgonio from Palomar HP
signal mirror:
51 mile Signal Mirror Flash Wide View
signal mirror:
Heliotrope Mirror on Palomar HP
signal mirror:
Heliotrope Instrument Medium View
signal mirror:
Heliotrope Components Closeup
signal mirror:
Palomar Observatory Main Dome from Palomar HP
signal mirror:
Palomar Observatory Main Dome
signal mirror:
Mount Palomar Fire Lookout Wide
signal mirror:
Mount Palomar Forest Fire Lookout Tower Cab
signal mirror:
Operation On-Target Banner, Southern California
signal mirror:
Boucher Hill viewed from Palomar High Point