| 1. |  | World War II, Princeton, MA -tower on Princeton Common | World War, 1939-1945--Civil defense--Massachusetts; Watchtowers; Commons--Massachusetts--Princeton; Princeton (Mass.)--History--Pictorial works | Tower used to spot planes during World War II on the Princeton Town Common in Princeton, Massachusetts. It was used as a back-up to the tower on Mount Wachusett during foggy weather. Inside was a telephone... |
