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24mo. 336 pp. Paris, 1848. 



WIECK F. G. Das Buch der Efindungen Gewerbe und Industrien. 



5 vols. 12mo. Leipsig, 1861-1863. 



WIESNER, Julius. Gummiarten. Harze und Balzame. Die tech- 



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WILLARD and Shaw s Patent Tin Lined Lead Pipe. A Circular. 



Vol. XVI., Pamphlets. Octavo series. 8VO. 21pp. New- York, 1865. 



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8vo. 23 pp. New- York, 1865. 



WOODMAN, John S. An Address on the Inauguration of the Wor 

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See, also, International Exhibitions, p. 381. 



Periodical Publications, under Chemical Tech 

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