Mica and the Mica Industry

✍ Scribed by George Wetmore Colles

• Publisher: Elsevier Science
• Year: 1906
• Tongue: English
• Weight: 889 KB
• Volume: 161
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(06)90100-8

✦ Synopsis

An important element in statistical values is the average prices of the product, more especially when taken in connection with charts for total values and quantities.

Average prices of miscellaneous products of assorted sizes, can of course be of no service to those requiring to purchase or needing for service a particular size or sizes, but they are of real importance to *.he mining industry, because they designate the real value which may be counted for the run-of-mine product. We will next consider, therefore, two charts, Figs. 31 and 32, showing the *Read by title, tCopyright, 19o5, by George Wetmore Colles. VOL. CLXI. No. 962