Title: The growth of etch-figures
First published: 1916
Description: <a href="http://www.flickr.com/photos/open-library/5021480824/" title="The Growth of Etch-Figures by openlibrary.org, on Flickr"><img src="http://farm5.static.flickr.com/4130/5021480824_503deb8e3d.jpg" width="312" height="500" alt="The Growth of Etch-Figures" /></a>

**From the introduction:** The extensive and ever growing literature which contains the results of investigators who have made use of the method of etching in order to obtain a more exact knowledge of various phases of crystal symmetry, is an evidence of the importance of this series of phenomena as a means of crystallographic research. Among these publications there have appeared from time to time papers which have been devoted to the study of etch-figures themselves rather than to their secondary application. It is evident from a study of these articles that many of the processes involved in the origin and growth of etch-figures have not yet been fully explained, and as these processes are intimately connected with the molecular structure of crystalline matter, the value of fuller information will readily be conceded.
Subjects: Mathematical Crystallography, etch figures, maths, mathematics, crystallography, molecular structure
LC classification: QD911 M34