![](http://www.alamy.com/thumbs/6/648FCBD3-F6FD-4617-ABB8-CB6F58229EB0/2AJHMGD.jpg)
The Distribution of Blue-Violet Light in the Solar Corona on August 30, 1905, as Derived from Photographs Taken at Kalaa-es-Senam, Tunisia . 208 43 *7 (Figures in first line = exposure; in second line = ratio of focal-length and equivalent diameter of lens.) \ • j] i b 1 ?Vf 1 1 M = T^H^^^^™ MSn ^^^^^^—1 ^—Mm** — ii mmm / j] ? ^^™ V Fig. 1. NINE AUTOMATIC EXPOSURES ON ONE
Size: 3008px × 831px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookaut, bookcentury1900, bookdecade1900, bookidphiltrans01200638