Articles AN AMPERE BALANCE See allHide authors and affiliations Science 16 Dec 1898:Vol. 8, Issue 207, pp. 858-859DOI: 10.1126/science.8.207.858 W. E. AYRTONFind this author on Google Scholar Find this author on PubMed Search for this author on this site J. VIRIAMU JONESFind 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.