. Bulletin of the Department of Agriculture. Agriculture; Agriculture. THE TOBACCO BEETLE. 63 poisonous. All traces of the fumigant quickly disappear from the substance treated when exposed to the air, and even foodstuffs have been treated without affecting their edibility in any way. Tobacco or cigars when properly aired do not retain the odor of the gas, and the quality and flavor are not perceptibly changed. While carbon disulphid is not as effective as hydrocyanic-acid gas, the ease with which it may be employed makes it the more desir- able fumigant, particu- larly when the mate- ria
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. THE TOBACCO BEETLE. 63 poisonous. All traces of the fumigant quickly disappear from the substance treated when exposed to the air, and even foodstuffs have been treated without affecting their edibility in any way. Tobacco or cigars when properly aired do not retain the odor of the gas, and the quality and flavor are not perceptibly changed. While carbon disulphid is not as effective as hydrocyanic-acid gas, the ease with which it may be employed makes it the more desir- able fumigant, particu- larly when the mate- rial to be fumigated occupies a small space. The liquid carbon di- sulphid has merely to be poured into a shal- low dish, placed near the ceiling of the com- partment to be fumi- gated, and allowed to evaporate. The method is a favorite one with many cigar dealers, the main objection being the danger of fire. A dealer known to the writer, in fumigating small lots of infested stock, makes use of an old refrigerator so fitted that the door closes perfectly tight. This is placed in a building outside the cigar store, to avoid danger of fire and for convenience in airing after treatment. As soon as infested stock is detected it is fumigated promptly, and in this case there has been small loss from the tobacco beetle. The fumigating closet, shown in figure 16, was found to be a con- venient size for cigar fumigation. Its dimensions are by by feet. The sides are of matched boards. The inside is lined with sheet zinc. The door and fastenings are similar to those commonly used on refrigerators. Strips of heavy felt were attached where the edges of the door fitted. Boat clamps were used at top and bottom. Fig. 16.—A closet for fumigating cigars or manufac- tured tobacco. A, Removable tray for holding cigars ; B, generating Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearanc
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