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Jt[""uCactluc oC Steel Pens. Although millions of metallic pens are coo sumed in Europe and other parts of the world yet the manufacture of them is little under stood, and carried on extensively only in En gland and the United States. The principle of this manufacture is ex tremely simple, nevertheless, the operations necessary to bring th' ;s small article to the state in which we see it, are more com pllca ted than we should be led to expect. The fol lowing is the information on the subjectdoi:10.1038/scientificamerican03131847-200a fatcat:k76kl4z5b5dd7ijkca24l7ef5a