On the Use of the Gnomonic Projection in the Calculation of Crystals

G. F. Herbert Smith
Assistant in the Mineral Department of the British Museum1
1Published by permission of the Trustees of the British Museum.

Mineralogical Magazine; May 1919 v. 18; no. 86; p. 317-323; DOI: 10.1180/minmag.1919.018.86.02
© 1919, The Mineralogical Society
Mineralogical Society (www.minersoc.org)