Stanley's System of Transmitting and Utilizing Low-Frequency Currents

1906 Scientific American  
The process of treating the parchment-paper waste is the same as that employed in the preparation of oxalic acid from sawdust. Further information will be found in the observations on the utilization of saw dust. J. Upmann, however, remarks with reference to Cech's suggestions that the method of converting cel lulose into oxalic acid by dissolving with alkalies is not new, since it was established by experiments on
doi:10.1038/scientificamerican06301906-25491supp fatcat:ohogjqru2vc3phjx4w6thnjjma