I—On a Simple Method for Determining the Index of Refraction of Small Portions of Transparent Minerals

H. C. Sorby

F.R.S., etc., President

Mineralogical Magazine; April 1877 v. 1; no. 4; p. 97-98; DOI: 10.1180/minmag.1877.001.4.02
© 1877, The Mineralogical Society
Mineralogical Society (www.minersoc.org)