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The stream delivci~ed can t h u s . wit11 it little l)ixctice, be very nicely i,cgulated fi,oni siiig!e drops t o i i steady stream, as desired. The simplicity of this little piece of a p p a r a t u s and the readiness with wliic!i it c:111 be 111:ii1ef r o m t h e ordinary materials a t h a n d in almost any labowtory render it especiully convenient, a n d it will bc found particularly useful in tlic cmplopment of s u c h solutions as ammonia, m o l y ~ d a t esolutio?, etc.
