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Lee, J. B. 



On Indigo Manufacture ; a practical and theoretical guide to the pro- 

 duction of the dye. With numerous illustrative experiments. 

 London, 1892. 8vo. 



Leet, a. N. 



Petroleum Distillation and modes of testing hydrocarbons, being an ex- 

 haustive treatise concerning old and new processes of separating 

 and refining mineral oils ; together with directions as to the setting 

 and construction of stills, treating-houses and all the appurtenances 

 of oil-refineries. New York, 1884. 8vo. 



Lefebvre, Ch. 



Neues chemisches Verfahren Talg ohne Grieben auszulassen. Gotha, 

 1829. 8vo. 



Lefert, Paul. 



Aide-memoire de chimie medicale. Paris, 1893. i6mo. 



Lefevre, Julien. 



Carbure de calcium et acetylene. Paris, 1897. i2mo. 111. 

 Encyclopedie de chimie industrielle. 



Savons et bougies. Paris. i2mo. 111. 

 Encyclopedie de chimie industrielle. 



Lefevre, Leon. 



Traite des matieres colorantes organiques artificielles, de leur prepara- 

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Dyed fabrics. 



Leffmann, Henry. (Bibl., p. 610.) 



Handbook of Structural Formulae for use of students, containing 180 

 structural and stereochemic formulae. Philadelphia, 1897. Oblong 

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Leffmann, Henry, and W. Beam. (Bibl., p. 611.) 



Analysis of Milk and Milk Products. London, 1893. 8vo. 

 Examination of Water for sanitary and technical purposes. . . . 

 Third edition, revised and enlarged. Philadelphia, 1895. i2mo. 



Leger, E. 



Alcaloides (Les) des quinquinas. Paris, 1896. 8vo. 



LeGG, J. WiCKHAM. 



Guide to the Examination of Urine. Fifth edition. London, 1880. 

 i2mo. 111. 



Seventh edition. Enlarged, edited, and revised by H. Lewis 

 Janes. London, 1892. i2mo. 111. 



