The inch is sometimes divided into 3 barley corns, or 12 lines. A hair's breadth is the 48th of an inch. Gunter's Chain. 7920= 660 633605280 1 knot 1 fathom= Log Lines. 69.77 Statute miles. =2046.58 yards. 51.1625 feet, or 51 feet 14+ inches. f 5.11625 feet, or 5 feet 13+ inches. Estimating a mile at 61394 feet, and using a 30" glass. If a 28′′ glass is used, and eight divisions, then The line should be about 150 fathoms long, having 10 fathoms between the chip and first knot for stray line. NOTE.-Bowditch gives 6120 feet in a sea mile, which, if taken as the length, will make the divisions 51 feet and 5 1-10 feet. No. 1 is 4 inches in length, and every succeeding number is of an inch. There are 28 divisions, in two series of numbers, viz., from 1 to 13, and 1 to 15. B The standard of measure is a brass rod, which, at the temperature of 32° Fahrenheit, is the standard yard. The standard yard of the State of New-York bears, to a pendulum vibrating seconds in vacuo, at Columbia College, the relation of 1.000000 to 1.086141 at a temperature of 32° Fahrenheit. 1 yard is .000568 of a mile. .0000158 of a mile. NOTE.-208.710321 feet, 69.5701 yards, or 220 by 198 feet square= 1 acre. The standard gallon measures 231 cubic inches, and contains 8.3388822 avoirdupois pounds, or 58372.1754 troy grains of distilled water at 39° 83 Fahrenheit; the barometer at 30 inches. The gallon of the State of New-York contains 221.184 cubic inches, or 8 pounds of pure water at its maximum density. The Imperial gallon (British) contains 277.274 cubic inches. The standard bushel is the Winchester, which contains 2150.42 cubic inches, or 77.627413 lbs. avoirdupois of distilled water at its maximum density. Its dimensions are 18 inches diameter inside, 19 inches outside, and 8 inches deep; and when heaped, the cone must not be less than 6 inches high, equal 2747.70 cubic inches for a true cone. The bushel of the State of New-York contains 80 lbs. of pure water at its maximum density, or 2211.84 cubic inches. 20 cwt. = 1 ton. Drachms. Ounces. Pounds. 256. 28672 1792. 1 lb. 14 oz. 11 dwt. 16 gr. troy. The standard avoirdupois pound is the weight of 27.7015 cubic inches of distilled water weighed in air, at the temperature of the maximum density (390.83), the barometer being at 30 inches. 1 cubic foot of anthracite coal from 50 to 55 lbs. 1 cubic foot charcoal lbs. = 18.5" (hard wood). " (pine wood). Coals are usually purchased at the conventional rate of 28 bushels (5 pecks) to a ton. 43.56 cubic feet. The standard of gold and silver is 900 parts of pure metal, and 100 of alloy, in 1000 parts of coin. Relative Mint Value of Foreign Gold Coins, By Law of Congress, August, 1834. 23.2 grains of pure gold = $1.00. United States Eagle preceding 1834, $10.668. Mint Value of Foreign Coins. ENGLAND. 1 Shilling FRANCE. 5 Francs 1 Sous 1 Rouble. 1 Ducat 1 Rix dollar. The relative value of gold and silver is as 1 to 1511. Measures of Length. $0.244 0.935 0.0093 0.97 2.22 2.202 7.724 0.748 2.19 1.08 BRITISH. Yard is referred to a natural standard, which is the length of a pendulum vibrating seconds in vacuo in London, at the level of the sea; measured on a brass rod, at the temperature of 620 Fahrenheit, =39.1393 Imperial inches. FRENCH. Old System.-1 Line = 1 Inch = |