Zones of Stars Observed at the United States Naval Observatory - With the Meridan Transit Instrum...
Narrative of the Second Arctic Expedition Made by Charles F. Hall is an unchanged, high-quality r...
Tables of Instrumental Constants - and corrections for the reduction of transit observations made...
Almanac Catalogue of Zodiacal Stars - Printed for the use of the American ephemeris and nautical ...
Tables to Facilitate the Reduction of Places of the Fixed Stars is an unchanged, high-quality rep...
Zones of Stars - observed at the United States Naval Observatory with the mural circle in the yea...
Zones of Stars Observed at the United States Naval Observatory - With the Meridian Circle in the ...
This work has been selected by scholars as being culturally important, and is part of the knowled...