On the Advantages of the Gnomonic Projection and Its Use in the Drawing of Crystals

G. F. Herbert Smith

Assistant in the Mineral Department of the British Museum

Mineralogical Magazine; December 1903 v. 13; no. 62; p. 309-322; DOI: 10.1180/minmag.1903.013.62.02
© 1903, The Mineralogical Society
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