21 February 2011

endorphinjunkie(z7bAlabama)February 21, 2011

"If Edison had a needle to find in a haystack, he would proceed at once with the diligence of the bee to examine straw after straw until he found the object of his search.

I was a sorry witness of such doings, knowing that a little theory and calculation would have saved him ninety per cent of his labor."

Nikola Tesla

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anneliese_32(6)

No love lost there! (No wonder either.)

    Bookmark   February 21, 2011 at 9:35AM
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mwoods

He seemed to do ok with his own methods. 90% of his labor saved as Tesla claims? I wonder. Here's a timeline of his accomplishments.

Timeline

1868: He invented an automatic vote recorder for legislatures.

1869: He invented several telegraph devices.

1871: He made several improvements in stock ticker technology.

1874: He invented the quadruplex telegraph for Western Union company, which transmited four messages simultaneously (two in each direction).

1875: He invented the electric pen, an early copying device, and worked on various telegraph inventions.

1877: He invented the phonograph and the carbon transmitter (a crucial improvement in phone technology).

1879: He invented a direct current generator for incandescent electric lighting and the carbon filament lamp.

1882-1883: He designed and contracted for the first three-wire central station for distributing electric light, power, and heat - in standardized form - in Brockton, Massachusetts. He discovered a previously unknown phenomenon that later came to be known as the "Edison effect," but he called "Etheric Force". He specifically, determined that an independent wire, grid, or plate placed between the legs of the filament of an incandescent lamp acted as a "damper" or valve to control the flow of current. After twelve years these previously unknown phenomena were recognized as electric waves in free space and became the foundation of wireless telegraphy. Most importantly, this discovery - along with his carbon button - involved the foundation principles upon which the diode was later invented, and upon which radio, television, and computer transistors are based.

1883: He constructed the first, relatively crude, three-wire central system for electric lighting in a simple wooden structure in Sunbury, Pa.

1886: He invented an improved wax-recording phonograph called the graphophone.

1881 � 1887: He invented a system of wireless telegraphy, (by induction) to and from trains in motion, or between moving trains and railway stations. The new system was installed on the Lehigh Valleys in 1887, and was used there for many years. He invented a wireless system of communication between ships at sea, ships and shore and ships and distant points on land.

1887-1890: He made major improvements on the brown wax and black wax cylinder phonograph. He obtained over eighty related patents, while establishing a very extensive commercial business in the manufacture and sale of phonographs and records, including associated dictating machines, "shaveable" records, and shaving machines.

1891: He made a number of inventions associated with improving electric railways. He Invented and patented the motion picture camera. This mechanism, with its continuous tape-like film, made it possible to take, reproduce, and project motion pictures as seen and heard today.

1891-1900: He developed his great iron ore enterprise, in which he did some of his most brilliant engineering work. One of his most significant inventions of this period was a giant roller machine for breaking large masses of rock and finely crushing them. He invented the Fluoroscope realizing the necessity and value of a practical fluorescent screen for making examinations with X-rays, he made thousands of crystallizations of single and double chemical salts and finally discovered that crystals of Calcium Tungstate made in a particular way were highly fluorescent to the X-ray. He also made many several improvements on the X-ray tube.

1905: He invented a revolutionary new type of dictating machine, which enabled the dictator to hear repetitions and make paper scale corrections.

1907: He invented the Universal Electric Motor which made it possible to operate dictating machines on all lighting circuits.

1900 �1909: He made many important inventions relating to the processes involved in the production of pre-cast buildings.

1900 � 1910: He invented and perfected the steel alkaline storage battery and made it a commercial success

1910-1914: He invented the diamond point reproducer and the "indestructible" record, thereby commencing a new era in phonographs.

1912: He invented the Kinetophone or talking motion picture.

1913: He Invented an important automatic correction device for the dictating machine.

1914: He invented the Telescribe, combining the telephone and the dictating phonograph, thus permitting - for the first time - the recording of both sides of a telephone conversation.

1915: He invented the first synthetic form of carbolic acid (C6H6O).

    Bookmark   February 21, 2011 at 9:37AM
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west_gardener

It would have been nice if the two of them would have worked together.

    Bookmark   February 21, 2011 at 6:55PM
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endorphinjunkie(z7bAlabama)

Tesla did work for Edison for a bit. Two distinct personalities, two very distinct methods of working. Among the scientists of their age and today's scientists consider Tesla the greater of the two. For all Edison did, Tesla's inventions are considered greater and are still of greater use for us today.

    Bookmark   February 21, 2011 at 7:26PM
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