. Fig. 236. — Disinfecting with steam by the inverted-pan method. After Johnson. The inverted-pan method is particularly applicable in disinfecting greenhouse benches or flats. Streaming steam from the heating system passed into the pan for one and one- half hours suffices. A steam hose connecting the pan with a traction engine makes a serviceable out-of-door outfit. The Sargent method. — Disinfection by a system of steam pipes arranged in the form of a harrow, with hollow.

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921