Articles DOLBEAR ON THE NATURE AND CONSTITUTION OF MATTER By Wm. H. Dopp See allHide authors and affiliations Science 30 Apr 1881:Vol. os-2, Issue 45, pp. 199-202DOI: 10.1126/science.os-2.45.199 Wm. H. Dopp 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.