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Start Over You searched for: Author Agricultural and Industrial Chemistry Bureau Remove constraint Author: Agricultural and Industrial Chemistry Bureau Catalog Issue Year Decade 1940 - 1949 Remove constraint Catalog Issue Year Decade: 1940 - 1949

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166. Starch. Making starch from wheat flour; by R. J. Dimler.

170. Concrete. Use of concrete on farm; [by T. A. H. Miller].