A New Model Rotating-Stage Petrological Microscope

W. Alfred Richardson

Lecturer in Petrology, University College, Nottingham

Mineralogical Magazine; December 1920 v. 19; no. 91; p. 96-98; DOI: 10.1180/minmag.1920.019.91.02
© 1920, The Mineralogical Society
Mineralogical Society (www.minersoc.org)