. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 626 APPENDICES. Test-tube Stands.—The ordinary wooden pattern, or the metallic folding stands, are called into use for holding cultivations. Pegged racks are also recommended for draining test-tubes after washing. Caoutchouc Caps.—These are caps for fitting over the cotton-wool plugs, and may be used in different sizes for test-tubes and stock-flasks. Platinum Needles.—A platinum needle for inoculating nutrient media, e
. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 626 APPENDICES. Test-tube Stands.—The ordinary wooden pattern, or the metallic folding stands, are called into use for holding cultivations. Pegged racks are also recommended for draining test-tubes after washing. Caoutchouc Caps.—These are caps for fitting over the cotton-wool plugs, and may be used in different sizes for test-tubes and stock-flasks. Platinum Needles.—A platinum needle for inoculating nutrient media, ex- amining cultivations, etc., consists of two or three inches of platinum wire fixed to the end of a glass rod. Several of these needles should be made with platinum wire of various thicknesses. A piece of glass rod, about seven inches long, is heated at the extreme point in the flame of. Fig. 254.—Wiee Cage FOR 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 Crookshank, Edgar M. (Edgar March), 1858-1928. Philadelphia, W. B. Saunders
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