Perkins Observatory were both growing. Light pollution therefore became increasingly problematic. So in 1961 the Perkins Telescope was moved to Lowell Observatory in Flagstaff, Arizona. Lowell is the largest private observatory (non-university or government affiliated) in the world. Through the end of the 20th century, the Perkins Telescope was the observatory’s largest instrument. Observing time on this instrument was shared between Lowell astronomers and the Ohio State University. The telescope at Perkins was immediately replaced with a cassegrain reflector telescope. It was donated by Michael R. Schottland, an entrepreneur from Martinsville, Virginia. At that time it was the largest privately owned telescope
The Lowell Mount Auburn Street instead of Brattle (under pressure from wealthy Brattle Street residents), a decision that reduced interest in building more multiunit housing in that area. The building was listed on the National Register of Historic Places in 1983. The Lowell The Lowell is an historic triple decker apartment house on 33 Lexington Avenue in Cambridge, Massachusetts. Built in 1900 to a design by local architect John Hasty, it is a rare multiunit building in the Brattle Street area outside Harvard Square. The Colonial Revival building has a swan's neck pediment above the center entry, which is echoed above the