Measures of weight.- ^votrduj»ozs • r 



pound equals 7000 grain : 16 dramsf i oSce- 

 16 ounces, i pound ; 112 pounds, 1 hundred' 

 weight; 20 hundredweight, i ton. rZv-r 

 pound equals 5760 grains; 24 grains, iSfnnv 

 weight ; 20 pennyweights, i ounce ; 12 o^ince?" 

 1 pound. ^j>o^/tecarzes : i pound equ^ls^^,^ 

 Hr^^l 20 grams, x scruple ; 1 scruples, i drlm^ 



8 drams, i ounce ; 12 ounces, 1 pound ' 



iJll^^^^^^ 9^ Length. Cusiomary • 12 

 inches equal i foot; ley^ feet, i rod; 40 rods 1 

 furlong ; 8 furlongs, i statute mile ; i statute mfle 

 1760 yards; i marine league, 3 ^kul 

 eq^?als™^g;2 /e?t.*°"' ' '''''' ' -"tick? ^ 

 Surface or Square Measure.— Cus. 



iomary : 144 square inches equal i square fo?t • 



9 square feet, i square yard ; 30.25 square vardV 

 I square rod; 40 square rods,^i squire Jood- i 

 square roods, i acre; 640 acres, i square mile • 

 1 acre equals 208.7 feet square. mue, 



T^ffi^i^nK- Measure.- Customary • 



flit ? Cubic'l'.^rH' ^^"^l-^ "-"^'^ =^7CU^-C 



leet, I cubic yard ; 40 cubic feet of round timber 



?ubfc'f|et"of^" timber,"i ton^ 128 



cuDic teet of wood (4 feet by 4 feet by 8 feet) 



greatlj. ^ ^ ^°"t, but varies 



27J'2S^r,l?»jJ^-^'^^^^-^— gallon equals 

 l&Pi r^nl^. '^^K^' °' ^•='°°32 U. S. gallons; 4 

 gills, I pint ; 2 pints, i quart ; 4 quarts? i gallon! 



Dry Measure.- i bushel equals 21W 42 cu- 1 

 bic inches; 2 pints, i quart; 4 quarts, i gallon • 1 

 2 gallons, I peck; 4 pecks, i bushel" ^ ' J 



The time of high water at the places following- 

 may be found approximately for each dav by add- 

 ing or subtracting from the time of high water at 

 New- York the hours and minutes annexed. 



H. M. 



Albany, N. Y + 9.39 



Annapolis, Md...+ 8.57 

 AsburyPark, N. J.— 0.37 

 Atlantic City, N, J.— 0.29 

 Baltimore, Md. . . . +io.S2 

 Bar Harbor, Me,.+ 2.50 

 Beaufort, S. C... — 0.9 

 Block Isl'd, R. I.— 0.34 



Boston, Mass + 3.22 



Bridgeport, Ct.. . .+ 3*4 



Bristol, K.1 — 0.12 



Cape May, N. J..+ 0.12 

 Charleston, S. C..— 0.43 

 Coney Isl'd, N. Y.— 0.20 

 Eastport, Me.... + 3-i 

 Fernandina, Fla. . — 0.19 

 Gloucester, Mass. + 2.57 

 Isle of Shoals 3. 11 



Jacksonville, Fla.+ 0.36 

 Key West, Fla. ..+ 0.55 

 League Isl'd, Pa.-j- 5.12 

 LongBranch,N.J. — 6.38 

 Nahant, Mass....+ 3.2 

 Nantucket, Mass.+ 4.31 

 New Bedford, " + o.io 



H.M. 



New Haven, Ct...+ 3.1 

 New London, Ct.-f 1-22 

 Newport, R. I. . . . — 0.22 



Norfolk, Va + 0.56 



Norwich, Ct + 2.5 



Ocean Grove, N.J. — 0.37 

 Old P. Comfort . .+ 0.37 

 Philadelphia, Pa.+ 5.37 

 Plymouth, Mass..+ 3-12 



Portland, Me -f 3-io 



Portsmouth, N.H.+ 3.16 

 Po'keepsie, N. Y.+ 4.27 

 Providence, R. I.-f 0.7 

 Richmond, Va...4- 8.47 

 Rockaway, N. Y.— 0.28 

 Rockland, Me....4- 2.55 

 Rockport, Mass..-]- 2.50 



Salem, Mass + 3-5 



Sandy Hook, N.J. — 0.32 

 Savannah, Ga. 0.20 

 Smithville, N. C. — 0.51 

 Washington, D.C.+ii*54 

 Watch Hill, R. I.+ 0.53 

 West Point, N. Y.+ 2.55 

 Wilmington, N.C-f- o-59 



Example. —To ascertain at what hour it will be 

 high tide at Sandy Hook on the ist of July, find 

 first the time of high water at New- York under 

 that date, and then subtract 32 minutes, as found 

 H in above table opposite Sandy Hook ; the result 

 <^ is the time of high water required. cf 







