Research Work on Natural Indigo

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Abstract

I ENTIRELY agree with the opinion expressed by Prof. Meldola in his article, entitled “A Contribution to the Indigo Question”, which recently appeared in NATURE (p. 296), that the case had “at one period assumed a polemical aspect most detrimental to the real cause at issue”, and I. write this with no desire to discuss the responsibility for this regrettable state of affairs, or to revive it. My object is to record some results recently obtained by Mr. Briggs and myself, which we had not intended publishing, but which may prove of interest in the light of Prof. Meldola's article.

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BERGTHEIL, C. Research Work on Natural Indigo. Nature 78, 541 (1908) doi:10.1038/078541a0

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