Journal of the Franklin InstituteVolume 102, Issue 2, August 1876, Pages 83-84Dioptric lightAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/0016-0032(76)90209-XGet rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1876 Published by Elsevier Ltd. All rights reserved.