High-order Plates for the Microscopic Examination of Mineral Grains

Frank Smithson

University College of North Wales, Bangor.

Mineralogical Magazine; June 1953 v. 30; no. 221; p. 145-146; DOI: 10.1180/minmag.1953.030.221.07
© 1953, The Mineralogical Society
Mineralogical Society (www.minersoc.org)