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Title: Could be useful as a very basic intro to the subject.
Review: This two-volume set is a collection of articles originally published in "Ceramic Industry". At least 80% of the articles were published in the 1920's and 1930's, and so are quite dated in their approaches and conclusions. However, if an historical reference is useful, or if you are new to the field of raw materials for the glass industry, these articles are still quite useful in spite of their age. Good introduction to minerals mining and their use in the glass industry.
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