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Topic: Electric bulb

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Incandescent lighting

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	100-Watt Bulb
		AP and lateral films of the pelvis verified the location of the electric bulb in the rectum, and the patient was taken to the operating room.
		After drying the glass surface of the bulb with ethyl ether swabs, we attempted to attach the suction cup end of the dart to the eletric bulb with cyanoacrylate cement.
		Because this electric bulb was a large object (maximum diameter, 61 mm; length from metal end to top, 114 mm) made of fragile glass, special consideration had to be taken to avoid breakage that would have resulted in lacerations to the rectum and adjacent structures, with consequent complications.
	www.well.com /user/cynsa/bulb.html (748 words)

	The History of the Light Bulb - An Electric Dawn
		The charcoal (which is a form of carbon remember) became electrically charged and began to glow, with arcs of electricity in the air surrounding it.
		The electric lamp had to be first safe, cost-effective, and then practical; as small as possible in size allowing for easy transportation and installation, and it had to light up the surrounding area well, and not burn out after only a short time.
		So the wonder of electric light bulbs were soon seen in all parts of the world where electricity itself stood proud, and even in some places where it didn’t yet (which must have been unbelievably maddening).
	www.thehistoryof.net /the-history-of-the-light-bulb.html (1381 words)

	The First Electric Light Bulb
		The air is then extracted from the said globe, or vessel, after it has been hermetically sealed at the ends, and then filled with rarified gas that will not unite chemically with the carbon when hot.
		Electricity is now supplied and in sufficient quantity, so as to heat the carbon within the vessel to a State of incandescence, the rarified gas previously introduced now becomes luminous, and constitutes the light herein designated as Woodward and Evans' Electric Light.
		In fact he was not granted a patent because his "invention" too closely resembled an invention in the UK of a filament in a vacuum tube, developed by Joseph Swan in the 1860's.
	www.mysteriesofcanada.com /Ontario/first_electric_light_bulb.htm (938 words)

	The Electric Bulb - Daniel D. Grafton \| Haiku Review
		And while the electric bulb has become one of the key markers for the idea of a civil culture, enabling and defining industry, social space and private life, its surplus light casts a shadow over less technically developed parts of the world who cannot reach for a light switch.
		Yet the impact of the electric bulb upon social life is disproportionate to its physicality; it is a fragile object with its delicate tungsten filaments precariously suspended within a thin glass envelope.
		However, the humble and naked electric bulb ‘burns brightly’ in the collective psyche of industrialised culture, materially and figuratively, and both aspects are present in the act of switching a light on at the wall.
	www.haikureview.net /node/55 (1718 words)

	Method for manufacturing sealed-beam type electric bulb - Patent 4342142
		A method of manufacturing a sealed-beam type electric bulb according to any one of the preceding claims wherein said plastic base plate is made of a material having a linear thermal expansion coefficient greater than that of said external lead wire material.
		The external bulb or air-tight container of a conventional sealed beam type electric bulb comprises a borosilicate glass reflector coated with a reflecting film on its inner surface, and a lens formed with the same glass material.
		When a tungsten halogen lamp bulb having a single filament is employed as the light source 11, its two external lead wires are respectively inserted in two predetermined holes among the small through holes 10a to 10d, and bonded by the adhesive in the same manner as described.
	www.freepatentsonline.com /4342142.html (2424 words)

	Miniature electric light bulb sets for decorative illumination - Patent 4228486
		Conventional miniature electric light bulb sets for decorative illumination are prepared by branching out two electric wires from one attachment plug and further branching out each of said electric wires into two further electric wires at respective branch plates and providing a group of miniature bulbs grouped at each terminal of the respective branched wires.
		In this case, the electric bulbs are fitted detachably to husk portions 12 and 12', and lead wire 11a of the electric bulb contacts terminals 12b mounted on the leads 5 and 5' to form a circuit (refer to FIG.
		In this case, since the miniature electric light bulb groups are disposed as a whole in a parallel circuit, the flashing actions of each unit of the miniature electric light bulbs are different, and as a whole, two sets of the electric light bulb groups have alternate and staggered flashing times which demonstrate decorative effects.
	www.freepatentsonline.com /4228486.html (853 words)

	Electric Bulb
		1) " Electric" -- In the context of Electric Bulb
		Electricity gives rise to one of the four fundamental forces of nature, and is a conserved property of matter that can be quantified.
		2) " Bulb" -- In the context of Electric Bulb
	www.lottery-news.net /dust4881-electric_bulb.html (522 words)

	Electric bulb and a method for manufacturing thereof patent invention (Site not responding. Last check: )
		The inventers further investigated and analyzed the causes and revealed that existence of foreign materials inside the glass bulb, especially existence of moving foreign particle is the cause of the breaking of the filament wire.
		However, in electric bulbs which passed inspection process having minute cracks, the cracks may proceed by vibration or shock in the following actual use to generate minute glass particles which move inside the bulb and attach on filament coil.
		[0018] In the electric bulb according to an embodiment of the present invention, a concave portion is formed on the outer surface of the glass bead at the contact portion with the lead-in wire.
	www.freshpatents.com /Electric-bulb-and-a-method-for-manufacturing-thereof-dt20050908ptan20050194879.php (1334 words)

	Ockham's Razor:11 July 2004 - The Electric Bulb
		Whether in use or not, an electric bulb is a symbol for excessive material consumption; whilst one can use the utility of artificial light in small measures, it is impossible to use it sparingly.
		This is why an electrical bulb is not merely an isolated, neutral technology, but an object and medium through which the ideology of culture emanates or becomes ‘material’.
		Such illuminations subjugate the night and while the electric bulb has become one of the key markers for the idea of a civil culture, enabling and defining industry, social space and private life, its surplus light casts a shadow over other parts of the world where there are no light switches.
	www.abc.net.au /rn/science/ockham/stories/s1150235.htm (1704 words)

	Light Bulb Supply Co.
		Since 1960, Light Bulb Supply, one of the largest lighting suppliers in the Rocky Mountain region has maintained the highest standard of commitment to customer satisfaction.
		Light Bulb Supply was formed in 1960 to meet the lighting needs of companies in the Denver area.
		In 1975, the company was purchased by Paula Leake, President, and Bill Leake, Executive Vice President and former GE employee, who have since broadened the company's scope to include the Rocky Mountain region while furthering its commitment to customers.
	www.lightbulbsupplyco.com /aboutus.cfm (213 words)

	Gadgets: Electric Bulb Bulb
		BY STRATDOG AT Like so many things you might say you bought it "because it was a conversation piece." I'm trying to think of a conversation I might have about a lightbulb and how many people it might have took to screw it in but I can't think of any.
		The "normal" lightbulb part is the part that sticks out, while the screwthread that attaches to the roundish bulb part is the working one (it's not a symmetrical lightbulb).
		The target look is that you glued a lightbulb to the socket, and the mystery is how can that work, after all the normalish bulby parts are not in the socket, apparently.
	gizmodo.com /gadgets/gadgets/electric-bulb-bulb-208308.php (567 words)

	Gadgets: Electric Bulb Bulb - Gizmodo
		BY STRATDOG AT Like so many things you might say you bought it "because it was a conversation piece." I'm trying to think of a conversation I might have about a lightbulb and how many people it might have took to screw it in but I can't think of any.
		The "normal" lightbulb part is the part that sticks out, while the screwthread that attaches to the roundish bulb part is the working one (it's not a symmetrical lightbulb).
		The target look is that you glued a lightbulb to the socket, and the mystery is how can that work, after all the normalish bulby parts are not in the socket, apparently.
	www.gizmodo.com /gadgets/gadgets/electric-bulb-bulb-208308.php (628 words)

	Electric Tart Burners: Candle-licious
		Electric simmer pot in a curvy new design, new color, striped satin pumpkin color, or sienna (sedona color) could also be used in a terra cotta design environment.
		Our replacement bulbs are specifically for electric tart burners because they provide all of the heat necessary but a bit less glare and they work well for the burners that have the holes around them.
		Our bulbs are specifically designed for use in all electric simmer pots that use light bulbs because it produces all of the heat needed to warm the wax and less of the glare.
	www.candle-licious.com /page/C/CTGY/ETB (2220 words)

	How Things Work - Incandescent Light Bulbs
		Incidentally, the filament in many incandescent bulbs is treated with a small amount of a phosphorus-based "getter" that reacts with any residual oxygen that may be in the bulb the first time the filament becomes hot.
		A fluorescent tube uses an electric discharge in mercury vapor to produce ultraviolet light, which is then transformed into visible light by fluorescent phosphors on the inner surface of the tube.
		The switch carefully controls the flow of electricity to the two filaments so that at the low light setting, only the small filament is on, at the medium setting, only the large filament is on, and at the high setting, both filaments are on.
	rabi.phys.virginia.edu /HTW/incandescent_light_bulbs.html (8003 words)

	Electric Light Bulbs
		Prior to this, there were electric arc lamps which produced an illuminating electric arc between two carbon rods.
		It was very difficult to remove the air from the base of a bulb, although it could and was done for lamps requiring special optical characteristics, although they were comparatively expensive.
		When electricity began to flow through the filament, the magnetic disconnect removed the heating coil from the circuit and the ballast tubes provided a constant voltage through the filament.
	www.thezephyr.com /collect/collectg.htm (1073 words)

	The Light Bulb
		The light bulb is the basis our this hi-tech culture that we live in, not just the electric light but its offspring have created a world of marvelous technology that gives us tools to do everyday things that people 50 years ago would thought subjects for a science fiction novel.
		The secret is that the bulb is fortified with extra filament to withstand jolts better, a high concentration of krypton gas to maintain brightness, and a device which transforms the alternating current entering the bulb into a direct current to conserve power.
		One bright light is what the sulfur bulb is. It is no larger that a tootsie-pop but one 5,900 watt bulb generates the same amount of light as hundreds of today's industrial high-intensity mercury-vapor lamps while using 20 to 30 percent less energy.
	asms.k12.ar.us /classes/humanities/amstud/97-98/edison2/webdoc2.htm (880 words)

	incandescent, incandescent light bulb, incandescent lamp, incandescent light, incandescent bulb, incandecsnt light ...
		Halogen bulbs are technically incandescent light bulbs - illumination is produced in both when a tungsten filament is heated sufficiently to emit light or "incandescence." The difference between the two is in the composition of the glass envelope and the gas inside the envelope.
		When the tungsten filament is heated it evaporates and deposits metal on the cooler glass envelope (this is why incandescent bulbs appear fl at the end of life).
		This process requires incandescent bulb filaments to be heated less than optimally to give the bulb a reasonable life.
	www.topbulb.com /find/incandescent.asp_Q_REF_E_5042 (611 words)

	Demonstration of an Outdoor Hydrogen/Oxygen Explosion: Launching a Water Rocket Ignited by an Electric Bulb
		Although many ignition sources, such as piezoelectric devices, Estes rocket igniters, and glow plugs may be available for the ignition of hydrogen/oxygen mixtures, we selected a small electric bulb as an ignition source for two reasons.
		One is that an electric bulb is so common in everyday life that it can be easily obtained and is familiar to students.
		The high temperature of the filament of an electric bulb with the glass removed initiates the explosion of a hydrogen/oxygen mixture in this demonstration.
	www.chemeducator.org /bibs/0008005/850307jp.htm (244 words)

	Non Plagiarized Term papers: The Light Bulb Invention
		The electric light, one of the daily conveniences that most affects human lives, was invented in 1879 by Thomas Sir Joseph Wilson Swan in England and Alva Edison in the United States.
		Many inventors continued to overcome the problem of developing a reliable and electric bulb that would be practical for both public and home use, as a viable alternative to gas light.
		Many other inventors had also tried to perfect incandescent lamps to divide electric light in parts or make it weaker and smaller than it was in the existing arc lamps, which were way too bright for small spaces such as the rooms of a house.
	www.non-plagiarized-termpapers.com /resources/light_bulb.html (749 words)

	Bulb Holder - Bulb Holder Manufacturers,Bulb Holder Suppliers & Exporters
		Engaged in manufacturing electrical bulb socket, brass pushbar holder, bracket heavy holder, brass lamp holder, brass batten, bracket batten, bracket grip, bakelite holder, lamp bulk socket, lamp holders etc.
		Engaged in supplying and exporting of electric bulb holder, lamp bulb holders and other lamp parts such as lamp shades, lamp base, lamp holder.
		Engaged in supplying of Indian standard bulb holders, electrical bulb holders, engineered bulb holders, PVC bulb holders, PP bulb holders that fit in all types bulbs.
	catalogs.indiamart.com /products/bulb-holder.html (405 words)

	Electric Bulb Puzzle
		The three switches are connected to three bulbs in the basement.
		You have to find out which switch is connected to which bulb.
		You are allowed to play with the switches for as long as you need to, but you may only go down into the basement once to check the bulbs and then say which which switch is connected to which bulb.
	www.qwerty.co.za /puzzles/bulb/bulb.htm (101 words)

	Lemelson Center (Site not responding. Last check: )
		This meant light bulbs, electricity generators, wires to get the electricity from the power station to the homes, fixtures (lamps, sockets, switches) for the light bulbs, and more.
		Edison's light bulb was called an "incandescent lamp." Incandescent means glowing--when electricity flows through the filament of a light bulb, it gets so hot it glows and gives off light.
		A light bulb that could only work in the laboratory was not what Edison was after, though.
	www.si.edu /harcourt/nmah/lemel/edison/html/electric_light_bulb.html (387 words)

	HPO - Motion Pictures from the History of the Hungarian Technology - Shots from the History of the Electric Bulb
		HPO - Motion Pictures from the History of the Hungarian Technology - Shots from the History of the Electric Bulb
		Shots from the History of the Electric Bulb
		1879 - The first electric bulb with carbon pencil of Edison's which was lighting for more than 40 hours
	www.hpo.hu /English/anim/a1.html?printable=1 (74 words)

	Electric Flicker Candle 3x6 Beeswax/Drip - 811361
		But since the "flame" is powered by an electric bulb, they are completely safe, windproof, meltproof, fireproof, and waterproof.
		The electric bulb consists of several smaller bulbs in an array.
		The 5-watt Enchanted Replacement Bulbs (#4633) are designed to be used in any of the above Enchanted Candles.
	www.smarthome.com /4634bd.Html (385 words)

	Thomas Alva Edison: The Perfection of the Light Bulb
		He experimented with electricity and when he connected wires and a piece of carbon to a battery, the carbon glowed, producing light.
		On the other hand, light bulbs existing prior to Edison’s efforts burned for a short time — the best achievement was Swan’s, 13.5 hours, though a great breakthrough, not commercially yet.
		Edison and his colleagues had invented a practical light bulb and by doing so they opened up the way for the establishment of the electrical power system.
	www.juliantrubin.com /bigten/bulbexperiment.html (713 words)

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