Page 27 - lw3518

THE PAC IF IC MINERALOGIST 25

CERAMIC CLAYS
Formation-Deposits-History
( Continued from pa.ge 4)
around hot springs of that area. Due References:
to these springs this deposit is quite A Treatise on Ceramic
hot a few feet below the surface, and Industries. E. Bourry
the clay is spotty and variable.
In San Bernardino County, near The chemistry and Physics of
the old mining town of Hart, a white Clay. Alfred B: Searle
plastic clay has been mined and The Colected Writings of
used in the manufacture of tile and Hermann A. Seger., Vol. 1 & 2
pottery for a number of years.
In spite of progress already made, Ceramic Cyclopedia.
ultimate perfection in· the use of 5th Edition
clays in Ceramics has not yet been Clays of West Tennessee.
reached. In certain of its applicat- Geo. Whitlach
ions it seems near perfection, but in Calif. Mineral Bulletin. No. 119
others much remains to be done. So
as we progress in other phases of Ceramic Industries
civilization, so will clays and their Vol. 33 No. 5-Vol. 34 No. 2.
uses be more fully developed and
fitted to the uses of our ever chang- *
ing world.
---·--- •4<·-~~~
DAD'S. SHO·P DONALD R. MULVEY

SMITH & WALES
CAMERAS
LOCKSMITHS
• •

KEYS FllTED TO AMY LOCK Associated with
Mail Box & Trunk Ke·ys by Number ROY MARTINDALE, Jeweler & Gemologist
- WELDING and BRAZING
522 E. Broadway Glendale, Calif.
V An dike 3 84 7 • 7 46 So. Spring

A GIFT FROM THE DESERT .
For those who like to explore the desert hills in quest of rar,e mineral specimens, the
Desert Magazine is the perfect Christmas present. Field trips are mapped each
month, new minera-ls are described.
Here's a magazine for -every member of the family. In addition to the stories and
pictures and maps for the gem hobby-i-sts, the Magazine contains travelogs, lost mine
stories, Indian lore, history, travel, exploration and adventure.
A GIFT THAT LASTS THROUGHOUT THE YEAR ....
T H E D E S E R T M A1 ·G A Z I N E
Published Monthly
E'L CE'MTR01, CALI FORM IA
Sa:mple Copy-25c Ye·a:r's Subsc·ri 1 ptio•n-$2.50