. Journal. vertical sections as at right angles to each other. Theammonia combines with the acid in a copper vessel (4),rectangular ill plan, one half being permanently coveredbyacurvid dome (•). which, in transverse section a -i enin Fig. 3, is a continuation of one outer side of the vessel,whilst it is at its inner part continued downwards in apartition or curtain (i>) dipping down a little below thesurface of the acid, the dome and curtain thus enclosinga space above one part of the acid. The bottom (7) ofthe vessel is made with a deeper part or recess (8), whichlatter is at the part not
. Journal. vertical sections as at right angles to each other. Theammonia combines with the acid in a copper vessel (4),rectangular ill plan, one half being permanently coveredbyacurvid dome (•). which, in transverse section a -i enin Fig. 3, is a continuation of one outer side of the vessel,whilst it is at its inner part continued downwards in apartition or curtain (i>) dipping down a little below thesurface of the acid, the dome and curtain thus enclosinga space above one part of the acid. The bottom (7) ofthe vessel is made with a deeper part or recess (8), whichlatter is at the part not covered by the dome (.>) : and inthis recess (8) there is placed a copper dish or Hay (9) toreceive I lie crystallised salt of ammonia. The acid issupplied liy a pipe (Hi) as required, and the ga eonsammonia is conveyed from the still by a pipe (11)connected to a horizontal pipe (12) placed on the higherpart of the bottom (7) and close to the vessels sidefurthest from the recess. The horizontal pipe (
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
