News & Comment THE COMET B, 1902, AND THE MASS OF MERCURY By EDWARD C. PICKERING See allHide authors and affiliations Science 14 Nov 1902:Vol. 16, Issue 411, pp. 797-798DOI: 10.1126/science.16.411.797 EDWARD C. PICKERING Find 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 above.