LettersDiscussion and Correspondence VECTORIAL TREATMENT OF SECONDARY MAXIMA IN GRATING SPECTRA See allHide authors and affiliations Science 13 Oct 1911:Vol. 34, Issue 876, pp. 488DOI: 10.1126/science.34.876.488-a HENRY CREWFind 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.