Roger Putnam which was under-utilized due to poor viewing conditions and low elevation. Putnam led the negotiations which permanently moved the telescope to Lowell Observatory's Anderson Mesa site (in Arizona). The telescope was operated by Lowell Observatory in partnership with the Ohio State University and Ohio Wesleyan, and purchased by Lowell in 1998. Putnam brought Perkins's telescope to the Arizona observatory as well. The Observatory's existing telescope had cracked in 1964 while staff attempted to update its optical system. The Perkins mirror did not stay at Lowell for long, returning to Perkins' control in 1969. The Lowell Observatory retained the mount, however.
Lowell National Historical Park canal raceways once used by the mills. Additionally, the park includes the Patrick J Mogan Cultural Center, which focuses on the lives of Lowell's many generations of immigrants. Other exhibits include a working streetcar line, canal boat tours exploring some of the city's gatehouses and locks, and the River Transformed / Suffolk Mill Turbine Exhibit, which shows how water power, the Francis Turbine, ran Lowell's textile factories. Lowell National Historical Park Lowell National Historical Park is a National Historical Park of the United States located in Lowell, Massachusetts. Established in 1978 a few years after Lowell Heritage State Park, it