Ancient Egyptian Monumental Colors

1904 Scientific American  
A FFJW years ago much interest was excited in this and other countries by the announcement that the scientific discoveries of Hellriegel and Wilfarth had received commercial application, and that the organ isms of the nodules of the roots of Leg1tminosa: could be purchased in a form convenient for artificial inocu lation. The specific cultures placed upon the market were largely tested practically and experimentally, but the results were such as to convince even the patentees, Nobbe and
more » ... that the problem which promised so much for agriculture had not been satisfactorily solved. Since that time, however, investigators have not been idle, and the present position of the subject is to be found in a recent report by Hiltner and Stiirmer.t
doi:10.1038/scientificamerican11121904-24138bsupp fatcat:rpfbwmxkwrcu3es36g6ve44bue