ws: Take of camphor one ounce ; Coal tar is composed of a large number of sub- shown. The condensing water is made to fall on cayenne pepper in powder two teaspoonsful ; alco- stances, principally hydrocarbons, which are mechan- them in the form of a shower, and is rapidly evapora- hol a pint. The… … 0000000 body. On this plan several have been made by Mr- ted by the steam within, which is thus condensed. 0 0 000;0 0 Pirrson, of New York, as represented by Fig. 18. Many of these condensers are in use in London pro- This is a mechanical mixture. But if the mixture Fig. 18. ducing good results,…
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