. Applied bacteriology for nurses. Fig. 11.—Incubator (Eyre). lodged on the wire. The loop cools in a moment, theculture is transferred, the tubes are again closed withthe cotton plugs, and the wire is at once passed throughthe flame before being laid down. Thus all danger ofspreading the germs about is avoided. 30 APPLIED BACTERIOLOGY FOR NURSES The freshly planted culture is now placed in theincubator. This is a kind of oven whose walls are filled. Fig. 12.—Streptococcus pyogenes, culture on agar. Slightly en-larged (Williams). with water, and whose interior is kept at a uniform tem-perature
. Applied bacteriology for nurses. Fig. 11.—Incubator (Eyre). lodged on the wire. The loop cools in a moment, theculture is transferred, the tubes are again closed withthe cotton plugs, and the wire is at once passed throughthe flame before being laid down. Thus all danger ofspreading the germs about is avoided. 30 APPLIED BACTERIOLOGY FOR NURSES The freshly planted culture is now placed in theincubator. This is a kind of oven whose walls are filled. Fig. 12.—Streptococcus pyogenes, culture on agar. Slightly en-larged (Williams). with water, and whose interior is kept at a uniform tem-perature by means of a lamp or gas flame controlled by CULTIVATION OF BACTERIA 31 a suitable heat regulator. For the ordinary pathogenicbacteria the incubator is set to maintain a constant tem-perature of about 99° F. In studying the bacteria of water, a temperature ofG0° F. is usually employed. The general type of incu-l)ator is shown in Fig. 11, page 29.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbacteri, bookyear1919
