Meetings & Meeting ReportsSocieties and Academies THE NEW YORK ACADEMY OF SCIENCES. SECTION OF ASTRONOMY, PHYSICS AND CHEMISTRY + See all authors and affiliations Science 01 Jul 1904:Vol. 20, Issue 496, pp. 17-19DOI: 10.1126/science.20.496.17-a C. C. TROWBRIDGEFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.