Book digitized by Google from the library of the New York Public Library and uploaded to the Internet Archive by user tpb. 39 volumes in 38 30 cm Sometimes called Washington observations Issued 1845 by the Observatory under a variant name: National Observatory Volumes for 1853-60 not issued except in a combined vol. with title: Results of observations made at the United States Naval Observatory with the transit instrument and mural circle Issues for 1845-49/50 called v. 1-5; 1875-82 numbered on spine v. 22-29