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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>xkekg34fa</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subSilver/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Tue 7:00, 12 Nov 2013<span class="gen"> </span> Post subject: hollister sale Get An Idea On How Self Contained B</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Get An Idea On How Self Contained Breathing Apparatus Were MadeArticle Summary: The history of SCBA goes back to the early 1800s when firefighters used improvised materials. 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It was an important invention back then, tough it is already considered crude by current standards. Note that activated carbon remains [url=http://www.anepf.fr]doudoune moncler pas cher[/url] widely used in today's various filtration systems. In 1874, Samuel Barton of London designed an apparatus that would allow rescuers to be able to breathe inside chambers filled with harmful [url=http://www.fayatindia.com/giuseppe-zanotti.html]giuseppe zanotti pas cher[/url] and poisonous [url=http://www.dearilievi.it]moncler outlet[/url] fumes and smoke. Such device featured a face cover made of rubber and metal, rubber coated hood, head harness, and eye protective glass. This apparatus had one way valves that would support inhaling and exhaling. In addition, its filtering compounds included lime, [url=http://www.rtnagel.com/louboutinpascher.php]louboutin[/url] activated charcoal, and cotton wool soaked in glycerol. In the late 1800s, the air filtration device resembled pig snouts. <br />James Braidwood invented a different [url=http://www.achbanker.com/hollister.php‎]hollister france[/url] type of hose mask which was an air pump to which a tube is connected. The pump is attached to an engine outside the building. Braidwood was actually a London Fire Brigade Superintendent and during his time the firefighters already wore thick leather suits with hood to protect themselves from extreme heat. In 1863, this invention was modified by A. Lacour to whom the patent was granted. This self contained breathing apparatus (SCBA) consisted of an impermeable bag made of thick dual canvas with inner lining of rubber. The bag of pure air was able to supply air from 10 to 30 minutes. More inventions followed but the most interesting invention was that one by the Deane brothers. 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