Annual Census of the Insane and Feeble-Minded, Epileptics and Inebriates in Institutions in the United States January 1, 1918

Digest of patents relating to coal-tar d

Digest of patents relating to coal-tar dyes and allied compounds. U.S. Patents issued prior to January 1, 1924. Prepared by Aida M. Doyle., Pp. viii+585. (Special Agent, Bureau of the Census.) Easton, Penn.: Chemical Publishing Company, 1926. Price: $20.0 in United States; $21.00 to foreign countries

✍ Mason, F. A. 📂 Article 📅 1926 🏛 Wiley (John Wiley & Sons) ⚖ 136 KB

itntliic protnincncc has bccn given to tlic gcnernl a t tlic cspcnsc of tlic pnrtictilnr, iiii arrniigciiiciit which bccomcs n hindriiiicc ratltcr than a liclp to thosc: who, vcrscd in funtla~nent~nlri, seek spccinliscd kno\rlctlgc. 'Rie geiiernl production of this publicntion is of tlic iisuiil lii