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Respirators closed circuit

By breathing through weighed wood ashes (which absorb moisture and some carbon dioxide) Hales found that 20 4 oz. Troy of water is carried off by respiration in 24 hours. R. Foregger notes that Hales had two types of respiratory apparatus (i) closed circuit Vegetable Staticks, 1727), (ii) open circuit A Description of Ventilators 1743, respirator ). [Pg.72]

See other pages where Respirators closed circuit is mentioned: [Pg.194]    [Pg.554]    [Pg.562]    [Pg.157]    [Pg.52]    [Pg.267]    [Pg.9]    [Pg.100]   
See also in sourсe #XX -- [ Pg.137 ]



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