SECTION V. — CHEMISTRY, PURE AND APPLIED. 843 



Sparkes, George. 



An Easy Introduction to Chemistry. Second edition. London, 1846. 

 1 2mo. 



Spataro, D. 



Igiene delle abitazioni. Vol. 11. Igiene delle acque. Proprieta fisico- 

 chimiche. Inquinamento. Analisi delle acque potabili. Idrologia. 

 Generalita sulla circolazione delle acque. Idrografia sotterranea 

 d'ltalia. Valore sanitario delle varie acque in natura. Milano, 

 1891. 



Spath, Johann Leonhard. 



Ueber die Natur der Gase oder die Gasometrie. Nach neuen und 

 eigenen Ansichten vorgetragen. Miinchen, 1835. 8vo. 



Specz, R. von. 



Grundriss der technischen Chemie. Wien, 1837. 8vo. 



Spencer, Guilford L. 



Hand-Book (A) for Sugar Manufacturers and their Chemists. Contain- 

 ing practical instruction in sugar-house control, the diffusion pro- 

 cess, selected methods of analyses, reference tables, etc. New 

 York, 1889. i2mo. 



Report of Experiments in the Manufacture of Sugar at Magnolia Station, 

 Lawrence, La. Season of i885-'86. Second Report, Bulletin No. 

 II, Division of Chemistry, Department of Agriculture. Washing- 

 ton, 1886. pp. 26. Folding plates. 



The First Report is contained in Bulletin No. 5. 



Third Report, Season of 1886-87, Bulletin No 15, Division of Chemistry, 

 U. S. Department of Agriculture. Washington, 1887. pp. 35. 



Report of Experiments in the Manufacture of Sugar by Diffusion at 

 Magnolia Station, Lawrence, La. Season of i888-'89. Bulletin 

 No. 21, Division of Chemistry, U. S. Department of Agriculture. 

 Washington, 1889. pp. 67, 8vo. 



Tea, Coffee and Cocoa Preparations. Foods and Food Adulterants, 

 investigations made under the direction of H. W. Wiley. Bulletin 

 No. 13, Part VII, United States Department of Agriculture, Division 

 of Chemistry. Washington, 1892. 8vo. 



See Wiley, H. W., Clifford Richardson [and others], and see, in Section VII, 

 Bulletins of the Division of Chemistry, U. S. Department of Agriculture. 



Spencer, J. 



Elementary Practical Chemistry and Laboratory Practice ; with more 

 than 200 experiments, 300 exercises in chemical calculations ; with 



