66 CHEMICAL TECHNOLOGY 



6687 Lunge, Q. Treatise on the distillation of coal-tar and 



ammoniacal liquor. Lond. 1882. 



66873 Findlay, A. The Treasures of coal tar. Lond. 1917. 



669 METALLURGY. 



66902 Austen, Sir W. C. R. Introduction to the study of 

 metallurgy. Lond. 1902. 



66902 Hiorns, A. H. Text-book of elementary metallurgy. 



Lond. 1888. 

 66902 Schnabel, C. Handbook of metallurgy. 2 vols. 



Lond. 1905-07. 

 66902 Sexton, A. H. Elementary text-book of metallurgy. 



Lond. 1907. 

 66904 Buchanan, J. F. Practical alloying. 



Cleveland, 0. [1910]. 



'6691 Friend, J. N. Corrosion of iron and steel. Lond. 1911. 

 6691 Steel research committee. Eeport. Sheffield 1920. 

 66914 Carnegie, D., and Gladwyn, S. C. Liquid steel. 



Lond. 1918. 

 '6698 Borchers, W. Electric smelting and refining. 



Lond. 1904. 



6699 ASSAYING. 



6699 Aaron, C. H. Assaying. 2 vols. San Francisco 1900. 

 6699 Hiorns, A. H. Practical metallurgy and assaying. 



Lond. 1888. 



6699 Lord, N. W., and Demorest, D. J. Metallurgical 

 analysis. New York 1913. 



203 



