GENERAL INFORMATION AND TABLES 103 



MEASURES OF SURFACE. 

 144 Square Inches = 1 Square Foot. 

 9 Square Feet = 1 Square Yard. 

 30] Square Yards '= 1 Sq. Pole or Perch. 

 40 Perches = 1 Rood. 



4 Roods = 1 Acre. 



640 Acres = 1 Square Mile. 



WATER MEASURE. 

 1 Gallon = 10 Ibs. 



1 Cubic Foot = 62-321 Ibs. 



or 6-232 gals. = about 6J gals. 



USEFUL NOTES. 



French Kilo 2*204 Ibs. 



50 Kilo HO^lbs. 



Tonneau 2204*6 Ibs. 



1 Franc (the Exchange value varies 



of this) Wd. 



25 Francs 1 



German Mark, ditto Is. 



1 Cub. foot Iron Cast, weighs 450 Ibs. 

 1 Gold 1,210 



1 Platinum 1,220 

 1 Lead 710 



1 Copper 550 



FRENCH MEASURE. 

 1 Millimetre O'OOl yards. 



1 Centimetre 

 1 Decimetre 

 1 Metre 



Roughly 1 Metre 

 Kilometre 

 1760 Yards . 



... 0-01 

 ... 0-109 

 ... 1-093 

 39 ins. 



1093-633 yards. 

 1 mile. 



TROY WEIGHT. 



24 Grains ... =1 Pennyweight. 

 20 Pennyweights = 1 Ounce. 

 12 Ounces ... = 1 Pound. 



MEASURES OF CAPACITY. 



4 Gills =lPint. 



2 Pint =1 Quart. 



4 Quarts =1 Gallon. 



2 Gallons =1 Peck. 



4 Pecks or 8 Gallons = 1 Bushel. 



8 Bushels =1 Quarter. 



36 Bushels =1 Chaldron. 



CIRCULAR MEASURE. 



The Diameter is to the Circumference 

 about as 7 is to 22, or more nearly as 1 is 

 to 3-1416. 



The Diameter x 3-1416 gives the cir- 

 cumference. 



The Radius squared X 3-1416 gives the 

 Area. 



The Diameter squared x 3-1416 gives 

 the Area of a Sphere or globe. 



One-sixth of the Cube of the Diameter 

 X 3-1416 gives the Solidity of a Sphere. 



A Circular Acre is 235-5 feet, a 

 Circular Rood 117 '752 feet in diameter. 



CUBIC OR SOLID MEASURE. 



Shipping Ton = 40 Cubic Feet merchan- 

 dise. 



Shipping Ton = 42 Cubic Feet of Timber. 



Displacement of a Ship 1 ton = 35 Cubic 



Feet water. 



1,728 Cubic inches = 1 Cubic Foot. 

 27 Cubic Feet = 1 Cubic Yard 



HAY AND STRAW MEASURE. 



Truss of Straw 36 Ib. 



Truss of Old Hay 56 Ib. 



Truss of New Hay (to Sept. 1st)... 60 Ib. 

 Load, 36 Trusses = Straw, 11 cwt., 2 qrs. 



8 Ib. ; Old Hay, 18 cwt. ; New Hay, 



19 cwt., 1 qr., 4 Ib. 



APOTHECARIES' FL"UID MEASURE. 

 60 Minims (drops) = 1 Fluid Drachm. 



8 Drachms ... =1 Ounce. 

 20 Ounces ... =1 Pint. 



8 Pints =1 Gallop. 



AVOIRDUPOIS WEIGHT. 



16 Drams = 1 Ounce. 



16 Ounces =1 Pound. 



14 Pounds -1 Stone. 



2 Stones or 28 Ibs. ... = 2 Quarters. 

 4 Quarters or 112 Ibs. = 1 Hundred- 

 weight 



100 Pounds =1 Cental* 



20 Hundred-weight ... = 1 Ton. 



* Used for buying and selling Corn. 



1 Picul 

 1 Picul 

 1 cwt. 

 1 Kilo. 

 1 Maund = 

 1 Kandy = 



SUNDRY WEIGHTS. 



= 133.\ English Ibs. 

 - 61-76125 Kilos. 

 = 50-84 Kilos. 

 = 2-203 Ibs. 



80 Ibs. 



560 Ibs. 



PICULS-TON. 



1 Cattie = 14 Ibs. 



133' Ibs. = 100 Catties or 1 Picul. 



16-8 Piculs = 1 ton. 



1 Ton = 2240 Ibs. 



