[DOC] [TLE] J! Archive - Show #3344, aired 1999-03-04 [PAR] A Las Vegan may be called a Silver Stater, but this is the more common ... Also 
called wolfram, this metal used in lamp filaments is a big source of income... [DOC] [TLE] Incandescent light bulb - Wikipedia [PAR] It was also shown to 700 who attended a ... These lamps used a carbon rod from 
an arc ... Thus they had low resistance and required very large conductors to ... 
and other metals, in the end Edison returned to a ... and Swan United Electric 
Company (later known as... [DOC] [TLE] Tungsten - Wikipedia [PAR] Tungsten, also known as wolfram, is a chemical element with symbol W and 
atomic number 74. ... Tungsten compounds are also often used as industrial 
catalysts. .... Portugal, as the main European source of the element, was put 
under .... such as light bulb, cathode-ray tube, and vacuum tube filaments, 
heating elements,... [DOC] [TLE] 100 years of OSRAM  Light has a name 100 years of OSRAM ... [PAR] Apr 17, 2006 ... the OSRAM logo is a symbol not only for light but also for good ideas. .... It was 
not long before electric light was used for street lighting. ... As a source of light, 
arc light was limited to certain .... tute was formed, known as Edison's Electrical 
Lighting ..... tungsten lamps began in Wolfram Metal Filament Ltd. in. [DOC] [TLE] The difference between Halogen, HMI and LED - Sound, Light ... [PAR] In various stage fixtures there is always a light source, a lamp of some kind. ... 
made by Wolfram (also called Tungsten, hence the name Tungsten light). ... The 
filament has also been made thinner and it has also a increased burning 
temperature. ... Instead, it is a gas mixture of mercury vapor and metal halides 
that between... [DOC] [TLE] Early Incandescent Lamps - Instituto de Artes [PAR] Apr 4, 2002 ... Following the success of Thomas Edison's incandescent lamp, also in ... the only 
source of revenue for the Swan Incandescent Light Company .... 1886 C.F. Brush 
granted U.S. Patent No 335,269 for a switch used in ..... Works and then, after the 
tungsten filament lamp was manufactured, it was called the. [DOC] [TLE] USGS Circular 930-O - USGS Publications Warehouse [PAR] Issues, in order to cooperatively gather information about major sources of 
mineral raw .... deposits; wolframite is also recovered from placer deposits. ... 
Other important applications are in lamp filaments .... used, in the form of tungsten 
metal, principally to make ...... tion from large deposits in a limited number of low-
income. [DOC] [TLE] e100jahre_osram - Scribd [PAR] It was not long before electric light was used for street lighting. as the candle ... 
The light was produced not by the electric arc (arch as Davy called it) but mainly 
by ..... The development of the metal lament lamp Production methods were 
rened. .... Company G. production of tungsten lamps began in Wolfram Metal 
Filament... [DOC] [TLE] Lightbulb jokes - The Eyrie [PAR] Q: How many politicians does it take to change a lightbulb? ..... A: They do not 
change light bulbs; they search for the root cause as to why the last one went out. 
..... to coil the tungsten wire filament, one to clean up the metal base of the old 
bulb, ...... ingress and revenue for the party of the fifth part, also known as "The 
Firm". [DOC] [TLE] volfrmio: portugal in ww2 | Emma's House in Portugal [PAR] Mar 16, 2011 ... Whether or not the large deposits of wolframite ore that Portugal had had ... 
Tungsten, today most commonly used in the filament of light bulbs ... You might 
also like: ... Wolfram, WWII played big roles in unravelling the crime. ... of his 
income from tungsten ( used to harden metal in tank building) in Britain. [DOC] [TLE] Metals Profiles [PAR] It also is used as an alloying agent in metal castings. ... SOURCE: World 
resources of copper and lead contain about 11 million tons of .... There were two

Question: Also called wolfram, this metal used in lamp filaments is a big source of income
Answer: Tungsten