Fleets' register, and pocket almanack for the year of our Lord 1799 : Being the third after leap year, and twenty-third of American independence which began July 4th, 1776. Calculated chiefly for the use of the Commonwealth of Massachusetts, Boston, the metropolis, being in latitude 42 deg. 23 min. north, and 70 deg. 58, 53. west long. 348 miles n.e. of Philadelphia.