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TODAY IN HISTORY

    EDISON'S PHONOGRAPH
    November 21, 1877 - New York City, U.S.A.

    Thomas Edison announced his invention of his "talking machine" - the tin-foil cylinder recorder that preceeded the phonograph. He appears to have envisioned it as a business dictation machine. In Sep 1877, he wrote that its purpose was "to record automatically the speech of a very rapid speaker upon paper; from which he reproduces the same Speech immediately or years afterwards preserving the characteristics of the speakers voice so that persons familiar with it would at once recognize it." The indented tin foil, however, would survive only a few playings. By the first public showing of a phonograph, which took place in New York City in early Feb 1878, its practical applications had not yet been realized.

    WIRELESS TELEPHONE AT WHITE HOUSE
    November 21, 1919 - White House, U.S.A.

    President Wilson used a radio telephone set up on the south portico of the White House to direct the maneuvers of a dozen army airplanes flying over the Potomac river several miles away. His telephoned directions went direct to the flight commander in the air. The instrument was similar to those used by American aviators in France in the latter part of World War I. Col. C. C. Culver actively developed the equipment. He began the project in Aug 1910. No new invention was needed, only adaptation and adjustment of existing techniques. By Aug 1916, he was able to send a radio telegraph signal from a plane. Enlisting expert help from the telephone companies, by Oct 1917, voice messages could be send between a plane and the ground. The system was put into service for military wartime use.

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    "...The Revolution was effected before the War commenced. The Revolution was in the minds and hearts of the people; a change in their religious sentiments of their duties and obligations. This radical change in the principles, opinions, sentiments, and affections of the people, was the real American Revolution...."

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ARTICLE INFORMATION :

The article features image converter software packages, especially a batch image converter aimed at processing a number of graphic files simultaneously.

ARTICLE CONTENT :

An image converter helps to create a photo or a graphic file of a different size or format, or to process large batches of images with one click. It is useful for web designers. Batch image converter software can help save a lot of time and effort. With the help of batch processing all graphic files can be processed in one single session. A lot of photographers shoot thousands of pictures in RAW format in a single operation. Though RAW pictures can nicely capture much information through the camera sensor, it is not possible to use the graphic files directly onto any web or software application, because all such applications require that the graphic files should be in GIF, JPG, and PNG to be watched.

Thus, it is exceedingly important to convert these pictures to a suitable format. As conversion of pictures separately needs much effort and time, everybody prefers to use batch image converter software to convert pictures from/to the required format. Since all images can be converted in a single process, you will save much time and effort. Web designers have to optimize images every now and then so that they can be uploaded on the website. Now there are many software packages useable on the market that convert photos at ease. If you would like to buy a batch image converter software package and you cannot decide which one to buy, then you should consider the following criteria:

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