A Students' Goniometer1

G. F. Herbert Smith
Assistant in the Mineral Department of the British Museum.
1Communicated by permission of the Trustees of the British Museum.

Mineralogical Magazine; November 1919 v. 18; no. 87; p. 366-367; DOI: 10.1180/minmag.1919.018.87.06
© 1919, The Mineralogical Society
Mineralogical Society (www.minersoc.org)