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1000 feet Mile aluminum aluminum wire annealed copper Birmingham Wire Gauge breaking weight cambric circular mils CM C O CM CM CM CM CO TP CM TP CM WD coefficient of linear conductivity conductor copper at 20 copper wire cubic centimeter cubic inches electrical electrical conductor factors Fahrenheit fluid dram following table gives Foot 1000 feet formulas galvanized strand gives the resistance hard drawn copper hundredweight insulation joule K*•ograms Kilograms per kilometer Kilometer Foot 1000 length and section linear expansion Measure meter gram Meter Kilometer Foot meter square millimeter mile ohm multiplied Ohms per kilometer ohms per meter Ohms per mile poundal Pounds per 1000 Pounds per mile pounds per square rH CM rH TP rH WD seven wires sizes soft copper square mil standard steel wire temperature coefficient TP CM TP WD trolley wire values volts WD WD WD weight and resistance Wire Gauge
Page 2 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.
Page 4 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Page 3 - DRY MEASURE 2 pints (pt.) =1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks =1 bushel (bu...
Page 111 - Specific gravity. The specific gravity of a substance is the ratio of its weight to the weight of an equal volume of water.
Page 124 - The standard solution of copper sulphate shall consist of commercial copper sulphate crystals dissolved in cold water, about in the proportion of 36 parts, by weight, of crystals to 100 parts, by weight, of water.
Page 57 - At a temperature of 20°C , the " constant mass" temperature coefficient of resistance of standard annealed copper, measured between two potential points rigidly fixed to the wire, is 0.00393 = 1/254.45.
Page 2 - A Gunter's Chain, used by land surveyors, is 4 rods or 66 feet long, and consists of 100 links. TABLE. % 7.92 inches (in.) make 1 link, 1. 25 links " 1 rod, rd. 4 rods, or 66 feet, " 1 chain . .ch. 80 chains
Page 124 - ... twelve hours with occasional stirring. Some undissolved crystals should remain at the bottom of the vessel at the end of this time. The solution shall be neutralized by the addition of an excess of cupric oxide. The neutralized solution shall then be filtered before using. (See note below. ) METHOD OF TESTING. Samples of wire previously cleaned with gasoline or benzine shall be immersed, to a distance of at least four inches, in a glass vessel containing not less than one pint of the standard...