United States for organic chemicals used in research . It can now supply industrial and university laboratories with more than 3 ,000 such chemicals . Research has led to a tremendous expansion of the photographic industry , and , in turn , the expansion of the industry has greatly extended the range of problems with which the research laboratory has to deal . Today the work of the Kodak Research Laboratories falls naturally under the three subjects of photography , chemistry , and physics . Under those three main...











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