Percival Lowell detail in mid-1896 soon after the Alvan Clark & Sons refracting telescope was installed at his new Flagstaff, Arizona observatory. Lowell observed the planet high in the daytime sky with the telescope's lens stopped down to 3 inches in diameter to reduce the effect of the turbulent daytime atmosphere. Lowell observed spoke-like surface features including a central dark spot, contrary to what was suspected then (and known now): that Venus has no surface features visible from Earth, being covered in an atmosphere that is opaque. It has been noted in a 2003 "Journal for the History of Astronomy" paper and
Allen House (Lowell, Massachusetts) early 1860s as the mansion house of Rollin White, who invented a type of rear-loading revolver. White worked for Samuel Colt in Hartford, Connecticut for many years before moving to Lowell and establishing his own firearms company, later the Lowell Arms Company. The house was later the home of Charles Herbert Allen, a politician prominent in state politics and the first civilian U.S. governor of Puerto Rico. Allen House (Lowell, Massachusetts) Allen House stands on the UMass Lowell South Campus. It is set on a rise above the Merrimack River, of which it has commanding views. It is an irregularly