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  • Proto rebreather tear down
    circulated around the outer container to revert the calcium chloride to its crystallised form Under no circumstances should the cooler be polished since a polished surface attrackts exterior heat and this effect will obviously reduce the efficiency of the cooler The latest cooling agent to be used is sodium phosphate which begins to liquefy at 97 degrees Fahrenheit The female connector to the breathing bag Filling opening for the coolant The Breathing tubes are made of corrugated vulcanised rubber covered with stockinette elastic fabric for protection and measure one inch in diameter and approximately 7 5 in length The corrugation allows for flexibility prevents collapsing and ensures that the wearer receives a volume of oxygen and not a jet Two mica disc type valves in cages are fitted to the lower ends of the breathing tubes and on inhalation both valves lift the inhaling valve opening and the exhale valve closing Siebe Gorman Vista Vision Breathing Mask Screwed on the female union is a spring loaded relief valve which on being depressed permits excess pressure within the breathing bag to be released Here the protective cover blue with the breathing bag inside Opening the entrance of the breathingbag assembly Protective cover When the breathing bag is taken out the cover the closing clamp can be unscrewed to get inside the breathing bag and scrubber The breathing bag scrubber is sturdily constructed of vulcanised india rubber and is divided into two compartments by a ribbed rubber curtain which extends from the top to within one inch of the bottom of the bag At the top of the breathing bag are fitted three male and one female metal brass unions the oxygen supply tub being connected to the smallest of the male unions On the remaining male unions the cooler is connected to one on the left and the third is secured to the exhaling valve Inside the breathing bag immidiately beneath the oxygen supply tube male union is a diffuser which causes the incoming oxygen be evenly distributed on the inhaling side of the bag and obviates the disturbance which a direct jet would cause on striking the absorbent situated in the bottom of the bag creating irritating dust particles in the inhaled breath The Sofnolime or Protosorb is poored directly in the breathing bag To finish this article I would like inform you about a 45 page pdf with additional information and parts of this text that describes the Salvus and Proto rebreather used by firefighters and for mine rescue crews You can find the article here http www therebreathersite eu Downloads Proto Salvus pdf More Sources Pictures of the Proto in use http www therebreathersite nl Zuurstofrebreathers English photos proto htm Pictures of the Salvus http www therebreathersite nl Zuurstofrebreathers English photos salvus htm Finally I would like to express my sincere gratitude to Mr Simon Lawler for giving me the opportunity to carry out this Proto tear down and all his work to scan the informative documents This

    Original URL path: http://www.therebreathersite.nl/05_Reviews/SiebeGormanProto.htm (2016-05-02)
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  • One of the first controlled rebreathers
    It was not the original name but I thought it was appropriate to give the unit his inventor s name Dr Finney was kind enough to help us with information that could not be found in the patent Now here you find the article Richard Walsby wrote and published in HDT This publication with the kind permission of Peter Dick of the HDS Menu reviews Updates Speedmenu Search page Webshop

    Original URL path: http://www.therebreathersite.nl/05_Reviews/Finney%20rebreather/FinneyECCR.htm (2016-05-02)
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  • Appareille de Desgrez et Balthazard
    website Also I would like to thank Richard Walsby who sent me additional information that can be found about the apparatus Desgrez and Balthazard patented their apparatus GB 22856 US 680028 Courtesy Historical Diving Times Published with permission of HDS Courtesy Historical Diving Times Published with permission of HDS I would like to thank Jan de Groot for his kind permission to publish his article Jan s website can be

    Original URL path: http://www.therebreathersite.nl/Zuurstofrebreathers/French/DesgresBalthazard/DesgrezBalthazard.htm (2016-05-02)
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  • DC55 translated training guide
    the DC 55 rebreather Menu Semiclosed Rebreathers Updates Speedmenu Search page Webshop Home BACK TO MENU Therebreathersite Mainmenu Search this Website Information about RB Photo galleries Historical Information Links Downloads Reviews Homebuilders Electronics Updates speed menu Web shop Reviews SC

    Original URL path: http://www.therebreathersite.nl/SemiClosed%20Rebreathers/France/dc55.htm (2016-05-02)
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  • Benjamin Franklin Leavitt 1915
    He fitted her out for diving and salvaging and laid in an equipment of patent diving suits of manganese bronze which resists salt water corrosion with flexible parts of interlocking copper tubing and ball bearing joints with portable air equipment carrying a four hour supply of oxygen and a telephone During the winter of 1923 a visit was made to the west coast of Chile There two miles off Pichidangui was located the wreck of the British schooner Cape Horn which went down in 1869 with a cargo of copper lying in 53 fathoms 318 ft of water Captain Leavitt declares that in some of his searches he went down to 60 fathoms 360 ft When the wreck was discovered a difficulty came up At 53 fathoms it was almost pitch dark there was not enough light to work by So a return was made to the U S and special lights were procured incandescent vacuum lamps with glass capable of resisting ten times normal air pressure made by the Westinghouse Lamp Co With these the expedition set out in the Blakely just a year ago Work was begun in March Last week messages were received telling that 600 000 worth of copper had successfully been salvaged from the Cape Horn The success of this feat suggests that it may be possible to salvage between 4 000 000 and 6 000 000 in gold and valuables that sank with the Lusitania The Lusitania sunk by a German submarine in 1915 lies in 42 fathoms of water off the southern coast of Ireland It opens up vistas of salvaging sunken Spanish argosies with their almost legendary treasures Even if the success of the present expedition has doubled the former range of practical diving from 30 to 60 fathoms the fact remains

    Original URL path: http://www.therebreathersite.nl/12_Atmospheric%20Diving%20Suits/1915_Leavitt/1915_Leavitt.htm (2016-05-02)
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  • David Elbaz
    is doing and more more and more moments of supreme pleasure David Elbaz from Israel build his own rebreather The system that works in ECCR and MCCR modus is shown here in full glory David thanks for sharing this information with us Updates on the project are highly appreciated This moment the electronics are build for the unit and details will follow soon Here you see the complete ECCR unit

    Original URL path: http://www.therebreathersite.nl/06_Homebuilders/elbaz_david.htm (2016-05-02)
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  • Tomas Stas Polish Rebreather
    level as the divers lungs because the breathing muscles are stronger to expire than to inspire gas Many rebreathers have counterlungs under only Dolphin Draeger Kiss and Sentinel are different My design is similar to the RB80 In my rebreather breathing resistance is better than in the RB80 because the counterlung is bigger and moves in every position and does not only move up an down Is difficult tp breath with head down but I never dive in that position This position of counterlung makes the diver who uses the rebreather not dive like a sea horse 4 Could you explain a little more about the gasflow path 4 Gasflow I use inflator connectors see photo to change gasflow I have put a part from a car carburator inside the inflator to get the correct gasflow In CCR unit I have two gasses diluent and oxygen via carburator part connected to two valves and injection of oxygen All gases are added to the loop via the inflator hose In SCR modus the unit part from carburator is also inside unit Changing gases in SCR is possible by connected gas to SCR Air 2 unit 5 You seem to have a double display do you also have two oxygen cells 5 Yes I have 2 oxygen sensors one inside and the secound in the metal part shown on the photo It is even possible to use 3 sensors I also have an external unit that can be connected to the loop If You have anymore questions please don t hesitate to ask You find my email and web on the end of this page Regards Tomas Stas Beware Homebuild rebreathers can kill Please read the disclaimer Photos are here http www rafakoralowa com rebreather rebreather rar and a small video not

    Original URL path: http://www.therebreathersite.nl/06_Homebuilders/Tomas_Stas.htm (2016-05-02)
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  • Menu Site Related Issues
    Menu Disclaimer Disclaimer Engels Disclaimer Nederlands About the author of this website Thanks to Early Guestbook Guestbook 2005 2006 Update page Silent List Silent list of rebreather divers Please sign

    Original URL path: http://www.therebreathersite.nl/08_Website_Related_Information/menu_site_related_issues.htm (2016-05-02)
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