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Weights and Measures.

MEASURES OF WEIGHT-Avoirdupois: 1 pound equals 7000 grain: 16 drams, 1 ounce; 16 ounces, 1 pound; 112 pounds, 1 hundred-pound equals 5760 grains; 24 grains, 1 penny-weight; 20 pennyweights, 1 ounce; 12 ounces, 1 pound.  Apothecaries: 1 pound equals 5760 grains; 20 grains, 1 scruple; 3 scruples, 1 dram; 8 drams, 1 ounce; 12 ounces, 1 pound.
MEASURES OF LENGTH.  Customary: 12 inches equal 1 foot; 16 1/2 feet, 1 rod; 40 rods, 1 furlong; 8 furlongs, 1 statute mile; 1 statute mile, 5280 feet or 1760 yards; 1 marine league, 3 nautical miles; 1 fathom, 6 feet; 1 nautical mile equals 6080.2 feet.
SURFACE OR SQUARE MEASURE.- Customary: 144 square inches equal 1 square foot; 9 square feet, 1 square yard; 30.25 square yards, 1 square rod; 40 square rods, 1 square rood; 4 square roods, 1 acre; 640 acres, 1 square mile; 1 acre equals 208.7 feet square.
SOLID OR CUBIC MEASURE.- Customary: 1728 cubic inches equal 1 cubic foot; 27 cubic feet, 1 cubic yard; 40 cubic feet of round timber, 1 ton; 50 cubic feet of hewn timber, 1 ton; 128 cubic feet of wood (4 feet by 4 feet by 8 feet), 1 cord; 24.75 cubic feet of stone, 1 perch - usually 16 1/2 feet by 1 1/2 feet by 1 foot, but varies greatly.
LIQUID MEASURE.- English gallon equals 277.274 cubic inches, or 1.20032 U.S. gallons; 4 gills, 1 pint; 2 pints, 1 quart; 4 quarts, 1 gallon. 
DRY MEASURE.- 1 bushel equals 2150.42 cubic inches; 2 pints, 1 quart; 4 quarts, 1 gallon; 2 gallons, 1 peck; 4 pecks, 1 bushel.
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To Tell Time of Tide.

The time of high water at the places following may be found approximately for each day by adding or subtracting from the time of high water at New-York the hours and minutes annexed.
                  H.M.                   H.M.
Albany, N.Y.....+ 9.39  New Haven, Ct...+ 3.1
Annapolis, Md...+ 8.57  New London, Ct. + 1.22
Asbury Park, N.J.-0.37  Newport, R.I....- 0.22
Atlantic City,N.J.-0.29 Norfolk, Va.....+ 0.56
Baltimore, Md....+10.52 Norwich, Ct.... +2.5
Bar Harbor, Me.. +2.50  Ocean Grove, N.J. - 0.37
Beaufort, S.C... - 0.9  Old P. Comfort..+ 5.37
Boston, Mass.....+ 3.22 Plymouth, Mass..+ 3.12
Bridgeport, Ct....+ 3.4 Portland, Me.....+3.10
Bristol, R.I..... -0.12 Portsmouth, N.H. + 3.16
Cape May, N.J..+0.12    Po'keepsie, N.Y. + 4.27
Charleston, S.C..-0.43  Providence, R.I. + 0.7
Coney Isl'd, N.Y.-0.20  Richmond, Va...+ 8.47
Eastport, Me.... + 3.1  Rockaway, N.Y.- 0.28
Fernandina, Fla..-0.19  Rockland, Me....+ 2.55
Gloucester, Mass.+ 2.57 Rockport, Mass.....+ 3.5
Isle of Shoals....+3.11 Salem, Mass.....+3.5
Jacksonville, Fla.+0.36 Sandy Hook, N.J. - 0.32
Key West, Fla...+ 0.55  Savannah, Ga....+ 0.20
League Isl'd, Pa.+ 5.12 Smithfield, N.C. - 0.51
Long Branch, N.J.-0.38  Washington, D.C. + 11.54
Nahant, Mass....+ 3.2   Watch Hill, R.I. + 0.53
Nantucket, Mass. + 4.31 West Point, N.Y. + 2.55
New Bedford, " + 0.10   Wilmington, N.C. + 0.59

EXAMPLE. - To ascertain at what hour it will be high tide at Sandy Hook on the 1st of July, find first the time of high water at New York under that date, and then subtract 32 minutes, as found in above table opposite Sandy Hook; the result is the time of high water required.