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    IRON RAILWAY BRIDGE COLLAPSE
    July 31, 1849 - Pennsylvania, USA

    Near Mast Hope, Pennsylvania, collapsed as a stock train was crossing. The engineer heard a loud cracking, pulled the throttle wide open, and succeeded in getting the engine across in safety. However, the rest of the train fell into the deep ravine of the Westcolang Creek along with the wrecked bridge. A brakeman and two stockmen lost their lives. The New York and Erie Railroad had that year experimented by building three iron bridges, including the one that failed. In 1850, an article in the Scientific American magazine reported that the company, having lost confidence in iron bridges, would tear down the two remaining and replace them with wooden structures.

    FIRST U.S. PATENT
    July 31, 1790 - USA

    Patent was granted to Samuel Hopkins of Vermont for a process for making potash and pearl ashes. Potash was important as an ingredient in soap and fertilizer. The patent was granted for a term of 14 years and signed by President George Washington, who had the previous month signed the first U.S. patent statute into law on 10 April 1790. Hopkins did not get Patent with a serial No.1 as thousands of patents were issued before the Patent Office began to number them. Congress had passed the Patent Act on 10 Apr 1790. Two other patents were granted that year - one for a new candle-making process and the other the flour-milling machinery of Oliver Evans. The next year, 1791, Samuel Hopkins also was granted the first Canadian patent.

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Dandruff Are You Sure It Dandruff :

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ARTICLE INFORMATION :

Everybody hates dandruff. No body likes the falling white flakes and the itching scalp. we all try many shampoos and treatments, both natural and chemical to get rid of dandruff. I want to ask many of you who suffer dandruff- how are you sure that you are having dandruff?

ARTICLE CONTENT :

Everybody hates dandruff. No body likes the falling white flakes and the itching scalp. we all try many shampoos and treatments, both natural and chemical to get rid of dandruff. I want to ask many of you who suffer dandruff- how are you sure that you are having dandruff? Unless a doctor diagnosed it as dandruff, how can any one be sure that he/she is suffering dandruff if it is not clearing after many washes? May be you are suffering from something else? Let us look at the other problems that may confuse you.

Dandruff and other scalp problems-

There are many scalp problems that itch and produce scales and white flakes. Psoriasis is one of the tough ones. Unless you get it diagnosed and get treated it will not go away. Many cosmetic applications may cause allergic dermatitis or irritant contact dermatitis. Atopic dermatitis or commonly called eczema can also appear on the scalp. Seborrheic dermatitis is one of the common scalp problems that mimic dandruff.

What is dandruff?

In dandruff what we see as white flakes are skin cells. Our skin regenerates itself every month. The new cells travel from the bottom of the skin layer to the top in a month and the dead cells are shed. These are so microscopic and small in quantity that we don’t notice this shedding of cells. In dandruff this shedding increases. That is how these dead cells with skin oils form white flakes and we can see them.

Dandruff and diagnosis-

If you are not able to get rid of dandruff after trying many formulas, it is time that you visit a doctor and get the proper diagnosis done. Once you are sure that it is dandruff, you can take proper measures and get a shiny scalp.

This article is only for informative purposes. This article is not intended to be a medical advise and it is not a substitute for professional medical advice. Please consult your doctor for your medical concerns. Please follow any tip given in this article only after consulting your doctor. The author is not liable for any outcome or damage resulting from information obtained from this article.


Source : PLR

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