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0"—Continued 40 CIRCLE agree with Arg agree with Transit Apr1l April 16 assumed as 18 assumed as 20 assumed as 49 assumed as 56 assumed as recorded August Barom C. D. E. F. Mean Corr CORRECTIONS Date Declination differs Ex.I Februarv 23 h. m. April h. m. July h. m. June h. m. Zone Harom Hourly Clock Hourly rate INSTRUMENT READINGS Julv June 17 June 24 March March 22 Mean Declination Mean Right Ascension Mean Right Mean Mic.Co Micrometer reading assumed Minutes assumed Minutes of transit Mural Circle MURAL ZONES October recorded over T.'s Right ascension differs Right Mean Ascension SECONDS OF TRANSIT September sumed as recorded THERMOM TIIERMOM transit assumed Transits discordant Transits over T.'s Zenith Point Zone 19 Zone 61
Page 2 - ... Professor A. Hall, who has been assisted by Assistant Observer AN Skinner. During the day, Mr. Skinner is fully occupied with computations for the catalogue now preparing by Professor Yarnall and with proof-reading, so that he can give but partial attention to observations with the equatorial. The zones of stars observed at the Naval Observatory with the mural circle, in the years 1846, 1847, 1848, and 1849, have been prepared by Professor Hall, and printed and published as an appendix, No.