Hemoglobinometer

(hem - o-glo- bin-om' -et-er) {hemoglobin; [ihpov, a measure]. An in- strument for the quantitative estimation of Counting Chamber of the Thoma-Zeiss Hemocytometer. —(Landois.) A. Sectional view. On the upper surface is shown cover- glass in position. Beneath the center of the cover is a glass platform upon which are ruled the divisions shown in the surface view, C The space between the cover and the ruled platform is o.i mm. On each side of the ruled platform is shown the moat that prevents the fluid from reaching the outer disc, upon which the cover-glass rests. B. Appearance of the ruled surface under micro- scope and showing uniform distribution of the red cells as they should appear in a properly prepared dilution

Gowers' Hemoglobin- ometer, Improved

Form

Dare's Hemoglobinometer. hemoglobin in the blood. H., Dare's, an instrument consisting of a pipet and two glass

HEMOGLOBINORRHEA 476

HEMOPTIC plates by means of which the undiluted blood is arranged into a stratum of exact thickness

It is illuminated by direct candle-light, and compared with a glass color-scale which is shifted by means of an adjusting wheel. The percentage of hemoglobin is shown by an indicator. H., Fleischl's, in this a certain dilution of the blood is made, and its color then compared with that of different thick- nesses of a sliding wedge of red glass. H.,

Gowers', in this the calculation is made by measuring the amount of dilution necessary to make the blood of the same shade as a standard solution of carmin in gelatin

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