52 



Description of a Neia Sand-Bath. 



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Art. VII. — A description of a new Sand-Bath with Water-Bath 

 and Distilling Apparatus attached, erected in the Yale Ana- 

 lytical Laboratory ; by Prof, JohnJ^. Norton. 



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This Sand-Bath was constructed and brought into active em- 

 ployment during the last terra in Yale College, Its operation, 

 with that of all its connected parts, has proved so entirely satis- 

 factory, that it has been thought worthy of a notice in this place* 

 There is nothing particularly novel in any one feature, but the 

 combination of conveniences is sucl\^as I have never seen equalled, 

 even in the best European laboratories. 



The idea of uniting with the advantages of the sand-bath, 

 those of the water-bath and distilling apparatus, and of accom- 

 plishing the working of the whole by means of a single fire, is 

 one that I had before entertained. I long hesitated to attempt 

 its realization, because no model existed ; my success in the ex- 

 periment has however been so complete, that it seems a favor to 

 the chemists of the country, .\o giv^e such a description as shall 

 enable those who have occasion to build, to adopt an arrangement 

 which possesses the recommendations of efficiency, compactness, 

 and economy of fuelj while at the same time it may be considered 

 almost self-acting. 



1 



12 9 G 3 



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2 



4 



4 



fr#f 



1 



The accompanying plaps and elevations, in figures 1 to 3, will I 

 think with some short comments, sufficiently explain the construe- 



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