THE WORKING OF SEMI-PRECIOUS STONES, J. H. Howard. 37 pages, 12 figures, and 18 plates. Rocks and Minerals, Peekskill, N. Y. $1.00.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not have access to this content, please speak to your institutional administrator if you feel you should have access.