An almanack: or, Diary astronomical, meteorological astrological, for the year of our Lord, 1721. [electronic resource] : It being the first after leap year. Containing the solar-ingresses, eclipses of the luminaries, rising and setting of the sun, for the city of Cork. A table of the sun's declination, fit for sea-men, or others; with divers tables of good life. Calculated chiefly for the famous city of Dublin, whose latitude is 53 degrees, 20 minutes, and may very well serve any part of this kingdom. To which are adaed, some surprizing paradoxes arithmetical questions, enigma's; with many delightful particulars, adapted for the use and diversion of both sexes. Also the method of adjusting clocks and watches; with some properties of refraction, &c. By John Knapp, watch and clock-maker, at the sign of the Dyal, at the lower-end of St. Peter's Church-Lane, on the key, Cork.