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Show m iww m BJBJ BLOOD TE8TINQ MADE EASY. M Device of Finnish Physician Valuable H Aid to Doctors. W FH In medical practice It often becomes necessary to test tho blood. An ap- H paratus called a "homoglohlnometcr," B which Is as difficult to uso us lt Is to B pronounce, has done tho work hereto- BJ Bja But now a Finnish physician has do- Bja vised a simple method for determining BJ tho herao-globln or HUbstance which gives the blood its rod color. The BJ now apparatus Is made of whlto pet BJ forated absorbent leaflets of papw BJ bound together in tho form of a little BJ If S2 I , I IIMIN 1 book, with a scale stained to tea BJ standard tints corresponding to the BJ color of blood carrying different quan- H titles of tho homo-clobln. tho valuea uf which rango from 10 per cent to J00 H per cent. Healthy blood contains from H 90 to 100 per cent of tho coloring mat- B Tho doctor punctures a vein of his H patient with a neodlo and presses one H of tho leaflets on tho resulted drop of blood. Then he compares Us color I with the scale and In this way Is I enabled to toll at a glance if the sub- B Ject Is anaemls or If the blood Is up I to the standard. Errors of 10 per cent H aro possible, but oven so tho method I Is us accurate as the highest-priced I Instruments used for tho samo pur- I poso, and in vlrtuo of Its extrcmo aim- I pllctty It has found much favor among practicing physicians. |