. Clinical bacteriology and vaccine therapy for veterinary surgeons. Veterinary bacteriology; Vaccines. VACCINE-THERAPY 51 How to seal One End of a Glass Tube. When we desire to have a tube smaller than a test-tube which will be found useful in working out the opsonic power, etc., we take a piece of pipette tubing, and heat it in the middle in the usual way, drawing it out to make a capillary stem (A). This will give us the makings of two tubes by breaking the stem in the middle. We now reduce the flame and apply it to the shoulder, rotating the tube in the mean- time with the right and left h
. Clinical bacteriology and vaccine therapy for veterinary surgeons. Veterinary bacteriology; Vaccines. VACCINE-THERAPY 51 How to seal One End of a Glass Tube. When we desire to have a tube smaller than a test-tube which will be found useful in working out the opsonic power, etc., we take a piece of pipette tubing, and heat it in the middle in the usual way, drawing it out to make a capillary stem (A). This will give us the makings of two tubes by breaking the stem in the middle. We now reduce the flame and apply it to the shoulder, rotating the tube in the mean- time with the right and left hands, and when plastic the stem is still further drawn out until it is melted through (B). Now apply a full flame to the bottom of the tube, and when. Fig. 24.—Sealing off One End of a Glass Tube. red hot blow down the tube (G). This will make the distal end quite round, and, if too much glass is not left on the bottom, the heat alone will be sufficient to round it off nicely. How to make Blood-Capsules (Wright's). These are very useful for the examination and collection of blood to obtain the serum in working out the opsonic power of a case. Take a piece of glass tubing, draw out into a capillary stem (Fig. 25), Now heat the barrel in the middle, draw it out into a stem,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Scott, William, 1873-. Chicago : A. Eger
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