Abridgment of the Nautical Almanac

Apparent Diff Brandywine Shoal Brandywine Shoal Light Brass canal boats Cape Henlopen Light Cape May Lighthouse change of declination channel Cherry Island CHRONOMETER Cross Ledge Light Daboll trumpet declinations are increasing Deep Water Point Delaware Bay Delaware Breakwater Delaware River dial diameter Sidereal fixed white light Fog signal Frid front light G. M. T. LATITUDE LONGITUDE Glass GREENWICH APPARENT NOON inches Island Range Buoy lantern LATITUDE LONGITUDE REMARKS Ledge Range Buoy Lighthouse Listons Range Mahon River Light MARKET ST Mifflin Bar Cut miles NOON THE SUN'S NOTE-The mean Philadelphia Pilot port side Range Lights Range line RATE OF G. M. T. rear light red light Reedy Island Right Ascension rules Schooner Ledge Range Schuylkill River seconds Semi-diameter Passing Meridian separated by eclipses Ship John Shoal SHIP'S BELL Silent interval starboard side steam vessel steamer stern Thur Tinicum Island Range towed Tues vessel ahead Water Point Range whistle