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- Siebe_Gorman_Proto abstract "The Proto is a type of rebreather that was made by Siebe Gorman. It was an industrial breathing set and not suitable for diving. It was made from 1914 or earlier to the 1970s or later. (Distinguish from "Proton", which is another sort of Siebe Gorman rebreather).Its breathing bag was worn on the chest. It had one or two oxygen cylinders, across the lumbar part of the back: often one, but this image shows two. Its duration in use was one or two hours, dependent on the size of oxygen cylinder fitted. Its absorbent (tradename Protosorb) was loose in the bottom of the breathing bag, restrained by a perforated cloth partition, and not in a canister. It had two wide breathing tubes running from the breathing bag to either a strapped-in mouthpiece (used with goggles) or an industrial-type fullface mask known as a Vistarama face mask, with a curved window and an inner orinasal mask. The canister seen on the front of the bag was to cool the gas in circuit, as the absorbent gets warm as it absorbs carbon dioxide, and that warming of the gas in circuit is welcome when scuba diving in cold water, but is not welcome in hot industrial situations including in deep mines.Some had a whistle that automatically sounded when its oxygen cylinder pressure became low in use. This feature was introduced following the death, in January 1958, of two London firemen at the fire that occurred at the Smithfield Central Meat Market in central London.It was used by firefighters and by rescuers in coalmines, long before open-circuit industrial breathing sets based on the aqualung became common. It appeared in news images of coalmine rescue squads. In 1908 the apparatus was chosen for use by rescuers from the newly formed Howe Bridge Mines Rescue Station.The first version was designed by Fleuss and Davis in about 1906-1910. It had equal balance back and front of the wearer, and avoided projections on the back that could catch when crawling through holes. The more vulnerable parts were in front in sight of the wearer. The reducing valve was of the constant feed type.".
- Siebe_Gorman_Proto thumbnail Aa_proto1.jpg?width=300.
- Siebe_Gorman_Proto wikiPageExternalLink SiebeGormanProto.htm.
- Siebe_Gorman_Proto wikiPageExternalLink 1914protobysiebe_11.jpg.
- Siebe_Gorman_Proto wikiPageExternalLink photos_proto.htm.
- Siebe_Gorman_Proto wikiPageExternalLink proto.htm.
- Siebe_Gorman_Proto wikiPageID "5059103".
- Siebe_Gorman_Proto wikiPageRevisionID "594835803".
- Siebe_Gorman_Proto caption "A Siebe Gorman Proto seen from the front, in a coal mining museum".
- Siebe_Gorman_Proto hasPhotoCollection Siebe_Gorman_Proto.
- Siebe_Gorman_Proto manufacturer Siebe_Gorman.
- Siebe_Gorman_Proto name "Siebe Gorman Proto".
- Siebe_Gorman_Proto uses "Rebreather for firefighters".
- Siebe_Gorman_Proto subject Category:Firefighting_equipment.
- Siebe_Gorman_Proto subject Category:Industrial_breathing_sets.
- Siebe_Gorman_Proto subject Category:Mine_safety.
- Siebe_Gorman_Proto subject Category:Rebreathers.
- Siebe_Gorman_Proto subject Category:Rescue.
- Siebe_Gorman_Proto comment "The Proto is a type of rebreather that was made by Siebe Gorman. It was an industrial breathing set and not suitable for diving. It was made from 1914 or earlier to the 1970s or later. (Distinguish from "Proton", which is another sort of Siebe Gorman rebreather).Its breathing bag was worn on the chest. It had one or two oxygen cylinders, across the lumbar part of the back: often one, but this image shows two.".
- Siebe_Gorman_Proto label "Siebe Gorman Proto".
- Siebe_Gorman_Proto label "Siebe Gorman Proto".
- Siebe_Gorman_Proto sameAs m.0d0w4k.
- Siebe_Gorman_Proto sameAs Q4049443.
- Siebe_Gorman_Proto sameAs Q4049443.
- Siebe_Gorman_Proto wasDerivedFrom Siebe_Gorman_Proto?oldid=594835803.
- Siebe_Gorman_Proto depiction Aa_proto1.jpg.
- Siebe_Gorman_Proto isPrimaryTopicOf Siebe_Gorman_Proto.