The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific (1919)
Astronomical Society of the Pacific, Aitken, Robert Grant, 1864-1951 · San Francisco Stanford University Press · leaf 116
ay that it remained completely clouded until toward midnight of the8th, with the important exception that a small rift occurred exactly at the criticaltime and place. The clouds uncovered the Sun less than one minute before thebeginning of totality and they again covered the Sun a few seconds after… … Fig. 1—The channel throuf^h the reef.
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.