Welcome TO YOUR ULTIMATE FENCING RESOURCE!
 

Welcome to our Fencing Article Archive. Have fun browsing!

 

(Browse for more articles)

 

History Of Iron Ore

Our science books are full of successful put in this project. Later on however,
inventions of Thomas Edison like he a earned lot of money after he
electricity, phonograph and many others, continued his work on the phonograph and
but there is hardly any mention about his motion pictures etc.
failures. One of his most peculiar It was a challenging task for both Edison
failures was his lack of ability to find and the American economy to find an
an effective way to excavate iron ore. economic way to produce steel at cheaper
If he had been successful in excavating rates. After 1840 the American iron
iron ore, he would have been a industry was going thru a resurgence as
billionaire at that time and the American was not one of the major steel
possibilities that would have been producer in the world.
generated after excavation like creation In 1844, government surveyors traced huge
of millions of jobs, and many other deposits of iron ore of anthracite in the
inventions. Great Lakes area. After this
Iron is the most economical of all the Pennsylvania became known as America's
metals available for mining, and yet at largest supplier of iron and steel.
the same time is of no use in its pure A British engineer named Henry Bessemer
form. Pure Iron is very delicate and invented a process for steel extraction
cannot be used to manufacture any process. He accomplished the incomplete
products. It is silver in color in its task of Thomas Edison. He devised an iron
pure form. Its gets its gray color after smelting process thur which it was
it is combined with oxygen. Iron can not feasible to produce large quantities of
be put any practical application in its steel. This process is still used by
pure form. some manufacturers even today.
Hence it was important that an effective His invention was quite inexpensive and
extraction process was discovered. For provided an efficient process to produce
ten years, from 1880 to 1890, Edison steel from iron ore. But still a refined
carried out many experiments, hired the process was invented by Abram S. Hewitt
services of scientists, to find a novel who even improved on Bessemer process of
way to extract iron ore. He was doing Andrew Carnegie. He soon became a steel
this to extract iron ore for the tycoon that by his improved process of
Pennsylvania steel mills. developing the open-hearth converter and
He shifted from his comfortable office to his process was preferred over that of
work in the old iron mines to look for an Bessemer by American steel manufacturers.
economical way to meet with the growing The American steel industry was
demand of steel . His experiments of revolutionised with the invention of low
testing and processing were getting very cost steel production. American Industry
expensive and he had to sell all his was now the leader in the world in steel
stock in General Electric to fund his production. In 1873 alone, America
invention. His heirs must be regretting produced nearly 115,000 tons of steel.
his decision even today. It was now possible to use steel in many
Edison could not succeed to extract the industries because of fall in its prices.
iron from unusable, low grade ores. He Automotive industry in America is the
had to finally abandon this project. He major (nearly 70%) user of finished steel
could never recover his money that he had in America.




www.sgfencing.com keyword stats [2008-05-19-2008-05-19]



Daily top traffic source : MSN
Historical MSN keyword trend


Most current MSN search phrases:

installing rod iron fence Cheap Picket Fence
build a dog kennel wrought Iron fencing Seattle


Other search engines trends:



Other search phrases:

cheap iron fence saber sounds
saber and conocer rot iron banisters
seattle electric gate build electric fence
wrought iron clip on panels chain link fence installers
wrought iron fences do it yourself chain link fence
electric fence collar picket fence real estate vermont
rod iron backyard fences brick+and iron fencing
wrought iron baluster rod iron fencing companies in houston
clipart - link chain "FENCE CLIPART"
estate fencing Iron fence vs chain link
wood fencing price spanish saber
meridia electric fence plans
fence,utah motorola saber
Composite Wood Fencing Decorative Brick and Iron Fencing
discount composite fencing garden zone fencing





1- A- B- C- D- 2- 3- 4- 5- 6- 7- 8- 9- 10- 11- 12- 13- 14- 15- 16- 17- 18- 19- 20- 21- 22- 23- 24- 25- 26- 27- 28- 29- 30- 31- 32- 33- 34- 35- 36- 37- 38- 39- 40- 41- 42- 43- 44- 45- 46- 47- 48- 49- 50- 51- 52- 53- 54- 55- 56-