A pair of antiquarian books. the first: Zones of Stars Observed at The United States Naval Observatory with The Meridian Transit Instrument in The Years 1846, 1847, 1848 and 1849 by professors Reuel Keith, Mark H. Beecher, Joseph S. Hubbard, and Lieutenants John J. Almy and William A. Parker. Published by Authority of the Hon. Secretary of the Navy. Rear Admiral B. F. sands, USN, Superintendent. Published by Washington Government Printing Office, 1872. Washington Observations for 1870 Appendix 4. The second: Catalogue Of Stars Observed at the United States Naval Observatory during The Years 1845 to 1871 and Prepared for Publications by Professor M. Yarnall, USN, by Order of Rear Admiral B. F. Sands U S N. Published by Washington Government Printing Office, 1873. Both books are signed and dated inside. Antiquarian and Librarian Specimens, Future Incabula Printed Edition Books for Collectors.