New Refractometers Employing Diamond and Other Minerals

B. W. Anderson, C. J. Payne and J. Pike

Laboratory of the Diamond, Pearl, and Precious Stone Trade Section of the London Chamber of Commerce
Rayner & Keeler, Ltd., Instrument Makers, London

Mineralogical Magazine; September 1940 v. 25; no. 170; p. 579-583; DOI: 10.1180/minmag.1940.025.170.02
© 1940, The Mineralogical Society
Mineralogical Society (www.minersoc.org)