a. Sahli’s graduated hemoglobin tube (marked in grams percent g% (2-24) and percentage % ( 10 -140) b. Comparator with a brown glass standard. opaque white glass is present at the back to provide uniform illumination. c. Sahli’s pipette or hemoglobin pipette (marked at 20µl or 0.02 ml). No bulb d. Stirrer: Thin glass rod .
