. The Journal of laboratory and clinical medicine . Fig. 5.—Showing details of: .4, e.\i)ired air reser\oir and mixer; B, Siphon reservoir and con-nections. (1) Expiration tube from the spirometers. (2) Air baffle. (3) Xents for escape of ) Sampling tube. (5) Tube for pumping exjiired air to siphon reservoir. (o) Pump connection.(7) Check valve on air line. (8) Filling cup and pressure equalizing vent. (9) Siphon. (lOJCollar in which siphon slides. (11) Water gauge. spiro:\ 425 clamped near the end and attached to the sampling- tube of the short inside tube or vent

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. The Journal of laboratory and clinical medicine . Fig. 5.—Showing details of: .4, e.\i)ired air reser\oir and mixer; B, Siphon reservoir and con-nections. (1) Expiration tube from the spirometers. (2) Air baffle. (3) Xents for escape of ) Sampling tube. (5) Tube for pumping exjiired air to siphon reservoir. (o) Pump connection.(7) Check valve on air line. (8) Filling cup and pressure equalizing vent. (9) Siphon. (lOJCollar in which siphon slides. (11) Water gauge. spiro:\ 425 clamped near the end and attached to the sampling- tube of the short inside tube or vent tube is now opened, the siphon puslied doAvn-?\vard to the bottom of the reservoir, and the subjects expired air pumped intothe reservoir, thus compressinoc tlie air and forcing the water into the re-. Fig. 6.—A, Top and side views of air connection for pumping expired air into siphon , Filling cup and pressure vent in siphon reservoir. C, Check valve on air line. /-

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Keywords: ., bookcentury1900, bookdecade1910, booksubject, booksubjectmedicine