Cover image for Comprehensive gem diagrams.
Title:
Comprehensive gem diagrams.
Publication Information:
Spokane, Wash. : Province Publications, [1967]

©1967
Physical Description:
40 unnumbered pages : illustrations ; 14 x 18 cm
General Note:
Chiefly tabular data and diagrams.

Includes overlays.

Understanding the polishing process ([4] p. ; 14 cm.) inserted at front.
Language:
English
Subject Term:
Format :
Book