378 W. Gibbs: Contributions to Chemistry. 
2. On the application of Sprengel’s mercurial pump in analysis. 
form of the apparatus, together with a 
method of determining with it small quan- 
tities of nitrogen. Frankland’s paper came 
into my hands after I had myself made a 
similar application of the pump, and had 
executed several organic analyses by its 
aid. As the instrument has now been 
nearly two years in use in my Laboratory, 
I will here give the results of my exper- | 
ence. The pump I use differs in several par- 
ticulars from that of Frankland. Repeat- 
J prints 
