Home to the world's oldest telescope still in use nightly by the public - an 11” wood and brass refractor from 1842. John Quincy Adams gave his last public speech during the 1843 cornerstone ceremony. En savoir plus .
Home to the world's oldest telescope still in use nightly by the public - an 11” wood and brass refractor from 1842. John Quincy Adams gave his last public speech during the 1843 cornerstone ceremony. En savoir plus .