. Laboratory work in bacteriology. Bacteriology. 244 BACTEBIOLOGY. der to obtain results. The apparatus employed for this purpose is known as an incubator or thermostat. It is made of heavy copper and has double walls. The space between these, which should be as large as possible, is filled with distilled water. In form the thermostat may be oblong, square or oval. Pig. 36 shows an excellent thermostat of oval Fig. 36. The incubator or thermostat. It is desirable that the incubator should have as much available space as possible for dishes, flasks, tubes, etc. The apparatus as ordinaril
. Laboratory work in bacteriology. Bacteriology. 244 BACTEBIOLOGY. der to obtain results. The apparatus employed for this purpose is known as an incubator or thermostat. It is made of heavy copper and has double walls. The space between these, which should be as large as possible, is filled with distilled water. In form the thermostat may be oblong, square or oval. Pig. 36 shows an excellent thermostat of oval Fig. 36. The incubator or thermostat. It is desirable that the incubator should have as much available space as possible for dishes, flasks, tubes, etc. The apparatus as ordinarily made is quite expensive. Any one with a little ingenuity can plan out a double-walled box and have an incubator made by a tinsmith which will answer all ordinary purposes. It should have a double door or lid, and it is advisable, though not necessary, that the side and top should be covered with asbestos or felt. The top should be provided with an opening which communicates with the water compartment and serves to hold a 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 Novy, Frederick George, 1864- . Ann Arbor [Mich. ] G. Wahr
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