Wheel of Progress
Dedicated to the
Arizona Mining, Sand and Gravel Industry
by E.J. Cyr on 1/1/93
History: Built in 1905 by Ingersoll Rand for the Inspiration Consolidated Copper Co. in Miami, Arizona to power a 150 ton air compressor.
Antique wheel weighs 60,000 pounds
Engineered and assembled by E.J. Cyr and Staff
Shaft size 16" diameter
Bearing size 8"
Driven by: 3 HP electric motor with 2.2 RPM
1400 South Hwy 92, Sierra Vista, Arizona
Marker is on Arizona Route 92 1 mile south of Fry Boulevard, on the right when traveling south.
Courtesy hmdb.org
