Vinita; Finance--Cherokee Nation; Land Tenure--Cherokee; Churchill, A.L; Immigration--Cherokee Nation; Townsites--Cherokee; Downingsville; Railroads--Missouri, Kansas and Texas; Railroads--St. Louis and San Francisco; Mercantile...
Two documents, both of which concern illumination studies, are presented. The first is a report on the illumination study at Hawthorne, which began Nov. 24, 1924 and ended April 30, 1927. In this study, candles of various lengths were introduced...