Historical Marker

W.C. Smith/Rittenouse/Arriola's Cosmopolitan Store

Historical marker location:
315 North Main Street, Florence, Arizona
( Marker is on North Main Street, on the right when traveling north.)
Marker installed: 2013

Historic Site.

The world's largest solar telescope is located in Arizona: The Daniel K. Inouye Solar Telescope, located on the summit of Haleakala in Maui, Hawaii, is the largest solar telescope in the world. However, the next largest solar telescope, the McMath-Pierce Solar Telescope, is located at the Kitt Peak National Observatory in Arizona.