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    DAGUERRE PHOTOGRAPHIC SYSTEM
    January 7, 1839 - Académie des Sciences, Paris

    Louis Daguerre made the first announcement of his photographic system at the Académie des Sciences in Paris, though details were not presented until 19 Aug 1839 when the process was announced publicly. By that time, the French government had bought the rights to the process from him, and then made them freely available to the world. However, this process had also been patented in England and Wales on 14 Aug 1839 - only five days previously.

    THERMAL CRACKING PATENT
    January 7, 1913 - U.S. patent (No.1,049,667)

    A U.S. patent for the thermal cracking of crude oil was issued to William Merriam Burton (No.1,049,667). A crude petroleum mixture of various hydrocarbons can be separated into several groups of constituents by physical means, commonly distillation. His thermal cracking process used high heat and high pressure to chemically break longer molecules of less volatile components into smaller molecules, more than doubling the yield of gasoline which was much needed to fuel the motor industry. In its first 15 years of use the process saved more than 1 billion barrels of crude oil. In 1937 the invention of catalytic cracking superseded the Burton process, but it remains in wide use.

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Helpful Hints On Wedding Planning :

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The article is dedicated to such an exciting topic as wedding preparation. Get to know how to choose the right wedding dress for you and to make your wedding day perfect.

ARTICLE CONTENT :

Wedding is a very important event in the life of any person. It is a holiday of love when two people celebrate their rejoining and share their joy with relatives and close friends. But meanwhile this one single day demands great expenses and months of preparation. You should be ready to make lots of efforts and devote certain time. The wish to make your wedding day special is rather logical, but you have to think about a million trifles to make your dream real.

First of all, you have to think about your budget. Try to count how much money you will need to organize a wedding of your dream. Calculate your own savings, think of other sources of income. This step is very important so as not to spend all the money in the beginning and to have some savings rest for significant details in the end. Plan your expenses and remember to leave some money for unexpected costs.

After you planned your wedding budget it's high time to think about the dress. The wedding gown is the most important detail in the wedding. It determines the style of the whole event. No one argues that the bride is in the center of attention on this special day, so she has to look gorgeous. Make-up and hair-do are just a few touches that create the finished image of the bride. But it is the wedding gown that makes the bride feel special.

The style of the wedding gown defines the style of flowers, jewelry, invitations and bridesmaid's outfits. All these items should be made in one color spectrum, as well as the adornment in the restaurant. In case every detail on your wedding day is in line with the whole idea, your wedding will be genuinely stylish and elegant. Do not forget about delicious food at the banquet and entertainments for the guests. It's essential so that your guests have a good time.

Wedding planning is all about details. But nevertheless, first of all you should concentrate on search for your ideal wedding gown. When you find it your following preparation to the wedding day will go with a run. Happiness to your home!

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