MEASURES OF WEIGHT. —Avoirdupois : i pound equals 

 7000 grains; 16 drams, 1 ounce; 16 ounces, 1 pound; 112 

 pounds, 1 hundredweight ; 20 hundredweight, 1 ton. Troy : 

 1 pound equals 5760 grains ; 24 grains, 1 pennyweight ; 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. Metric : 1 kilo- 

 gramme equals 1000 grammes, equals 2.2 Avoirdupois pounds. 



MEASURES OF LENGTH.— Customary : 12 inches equal 1 

 foot ; 16% 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. Metric : 1000 millimetres equal 1 metre ; 1000 

 metres, 1 kilometre ; 1 metre equals 39.37 inches. 



Surface or Square Measure.— Cu jnary: 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. Metric: 1 square metre 

 equals 10.764 square feet ; 100 square metres equal 1 are ; 1 

 hectare equals 100 ares, or 1.471 acres. 



SOLID OR CUBIC Me. V RE.- 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 tim- 

 ber, 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% feet 

 by 1% feet by 1 foot, but varies greatly. Metric: 1000 cubic 

 centimetres equal 1 litre ; 1 litre equals 1.0567 quarts. 



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. Metric: 10 millilitres equal 1 centilitre; 10 centi- 

 litres, 1 decilitre; 10 decilitres, 1 litre; 1 litre, 0.908 dry quart. 



Capacity of Boxes. 

 25 in. sq. t 11.66 in., deep=Approx. 1 wine barrel. 



1 wine half barrel. 

 1 bushel. 



1 peck. 



1 gal. (dry measure), 

 x gal. (liquid measure). 



20 



17 

 10 

 8 

 8 

 7 



" " 9.10 •• 

 " x 14 in. 9.00 ** 

 " x 12 " 9.00 M 

 M sq., 8.40 " 

 " * 4.20 M 

 " diam.,6.00 11 



«• 



\ 



The Metric System of Weights and Measures has been le- 

 galized by act of Congress, July x8, 1896. 

 urwTWYr Weights.- 10 milligrams make 1 centigram, 



£ ram, 1,000 kilograms i metric ton. 

 Metric Measures.- (One mmffiter equals ^*ic omU- 



1 hektoliter, 10 hektoliters I kiloliter. 



Mtixric Lengths.- io millimeters make i centimeter, xo 

 cJS2^T§Eta». xo decimeters x meter xo meters x 

 dekameter. xo dekametera I hektometer, xo iiektometers i 



kilometec AppROXIMATB equivalents. * 



* „,„ f „ a K nu t a V ard : a kilo is about a pounds ; a liter ts 



weights. It is two centimeters in diameter ana weigas nvc 

 g5famS * PRECISE EQUIVALENTS. 



meter 



x liter. 1.057 q^rt (liquid) i x meter. 3 f tfea i mrie . ijg 

 kilometers; 1 millimeter, .0394 inch; 1 °""ff j/f^&J^ 3 ? 



is fiw? fewasssa « tsttsp 



meter, * 



