A companion, or supplement, to The ladies' diary, for the year 1791. Containing calculations and types of the eclipses of this year; with an Account of New Comets, &c. Also additional Solutions to Diary Enigmas, Rebuses, Charades, Queries, and Questions, which there was not room for in the Diary itself; With some New Enigmas, Rebuses, Charades, Queries and Questions, to be answered next year. By the Diary author.