Railway Electrical Engineers' Handbook: Electric Light and IlluminationNational Electric Lamp Association, 1912 - 344 Seiten |
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active material Allowable variation ammeter ampere-hour amperes angle armature automatic switch Average axle belt booster brushes cadmium CANDLE POWER CANDLE-POWER DISTRIBUTION CURVES capacity carbon pile charge and discharge circular mils color condition connected copper Cosecant CUBE ROOTS Cube roots Reciprocals D-Average spacing density diameter diametral pitch dynamo Effective Lumens Efficiency electrolyte feet field foot-candle fully charged globes absorb hour illumination impurities inch insulation iron Lamp Regulator Lamp Watts lead oxide lead peroxide Lumens per Lamp Mazda Mazda lamp Medium meter MLHCP Mounting Height MSCP negative plates normal number of teeth ohms operation pilot cell plunger positive plates pulley reading Reflector resistance rheostat Screw Base series coil shaft shown in Fig shunt solenoid spacing of outlets specific gravity speed spongy lead steel storage battery sulphate sulphuric acid tanks temperature terminal tion tube tungsten variation in mount voltage voltmeter volts Weight Wiring Diagram
Beliebte Passagen
Seite 281 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel. Liquid Measure. — 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon; 31| gallons = 1 barrel; 2 barrels = 1 hogshead. Long Measure. — 12 inches = 1 foot; 3 feet...
Seite 281 - DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Seite 294 - The exponent of the power to which a fixed number called the Base must be raised in order to produce a given number is called the Logarithm of the given number.
Seite 263 - The circular pitch is the distance along the pitch circle from the center of one tooth to the center of the next.
Seite 281 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Seite 281 - LONG MEASURE 12 inches = 1 foot. 3 feet = 1 yard. 5% yards = 1 rod. 40 rods = 1 furlong. 8 furlongs -- 1 statute mile. 5 miles = 1 league. MARINERS
Seite 281 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Seite 114 - Current passing in either direction (charge or discharge) decomposes the potassium hydrate of the electrolyte, and the oxidation and reductions at the electrodes are brought about by the action of its elements. An amount of potassium hydrate equal to that decomposed is always re-formed at one of the electrodes by a secondary chemical reaction, and consequently there is none of it lost and its density remains constant.
Seite 281 - Surveyors' Measure. 7.92 inches 1 link, 25 links 1 rod, 4 rods 1 chain, 10 square chains or 160 square rods 1 acre, 640 acres 1 square mile.
Seite 266 - Rule. — Multiply the diameter of the driver by its number of revolutions, and divide the product by the number of revolutions of the driven; the quotient will be its diameter.