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ELECTRIC LAMP TECHNOLOGY
MEASUREMENT OF LIGHT
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Ampere angle Annealing Argon Argon-Nitrogen Astatine atmosphere auto lamps automatic machines Bromine bulb burners candela circuit coiled coil coiled coil filament colour connected conveyor Courtesy diameter Dumet efficiency electric lamp electrodes energy evacuated evaporation exhaust tube factories flange flow gas filled getter glass shell glass tubing GLS lamps halogen lamp heat higher wattage Illuminating Engineering incandescent lamp India inert gas inside the lamp iodine lamp cap lamp industry lamp makers lead-in-wires length lumen lumen per watt luminous flux luminous intensity manufacturing material measured melting mercury metal metal halide lamps mini lamps molybdenum mounting Nitrogen operations oxygen Photo Photometer pig tails pressure produce pump radiation resistance sealing shape single coil single coil filament solder Standard Lamp stem supply surface temperature Testing tower tungsten filament tungsten molecules type of lamp upto vacuum lamps voltage volts Vycor water vapour wattage lamps wire