Discover The Beginnings Of Modern Day Electronics With Cheap Light Bulbs

Light bulbs or incandescent lamps are available in different forms.  As there are standard ones that we recognize, there are likewise those that are made for a particular function.  Projector bulbs, for example, are used for projectors.  Then there is the full-spectrum light bulb, which emits a specialized light called white light and are used to remedy sickness attributable to lack of sunlight exposure.

But, it would be interesting to discover how cheap light bulbs is now available.  Remember that “cheap” here is used to mean commercial or that every average consumer can manage to pay for.  We bear this in mind because before the commercialization of light bulbs, there were a set of testings and inventions that happened.  Even though the invention of the incandescent lamp is usually attributed to Thomas Edison, there are a lot of other scientists that have contributed to what we have now.    

It was in 1802 that Humphry Davy of Great Britain invented the original incandescent light.  The current went through a thin narrow piece of platinum, a metal that has a very high melting point.  The light may have not been vivid enough and did not go on lengthy enough, nevertheless this paved the way for more experiments and discoveries until the number one convenient light bulb was created by Thomas Edison in 1879.

Another contribution came from Warren de la Rue, who contained a coiled platinum filament in a vacuum tube where electric current passed through it.  It was a useful design, but as you are aware of, platinum is expensive and, therefore, not sensible for commercial use.  More experiments and designs were produced, and these include those by Frederick de Moleyns (1841), John W. Starr (1845), Jean Eugene Robert-Houdin (1851), and A.N. Lodygin (1872).

Additional efforts to coming up with practical incandescent lamps were done prior to Edison.  Bound by these efforts are Joseph Wilson Swan (1850) and Henry Woodward and Matthew Evans (1874).  Whilst Swan used carbonized paper filaments in an empty glass bulb, Evans and Woodward made their incandescent lamps with several sizes and shapes of carbon rods secured between electrodes in glass cylinders that were stuffed with nitrogen.

Then there came Thomas Edison, who, in 1879, begun to carry out major study on developing a practical light bulb.  He did numerous experiments with platinum as well as other metal filaments, but eventually, he returned to making use of a carbon filament.  The exclusive rights for his design was granted to him in 1880.

Throughout the years, more improvements have been made to incandescent lamps.  We now have different types of light bulbs, examples of which include halogen light bulbs, compact fluorescent light bulbs, and other types of light bulbs.  Needless to say, we would not have been enjoying them if not for the great thinkers behind the invention of practical incandescent lamps.

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