News & CommentScientific Events RADIO TALKS FROM THE HARVARD COLLEGE OBSERVATORY See allHide authors and affiliations Science 13 Nov 1925:Vol. 62, Issue 1611, pp. 431DOI: 10.1126/science.62.1611.431 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 62, Issue 161113 November 1925 Table of Contents Print Table of Contents Front Matter (PDF)