Vitamins in theory and practice. By Dr.
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Bacharach, A. L.
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Article
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1936
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Wiley (John Wiley & Sons)
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## World Production and Use of, Rubber Owing to tlic policy of rcstriction, the world production of ribber dropped from about 1,000,OOO lotig tons in 1934 to iihoitt 835,000 long tons i t i 1935. Of this iitiiouiit tlic B1:ilay States protluccd ~100,OOO t., the Dutch Eiist Ititlics 280,000 t., :it