206с
J ULTRA-VIOLET LIGHT AND ITS APPLICATIONS
Including a Description of the Numerous Practical Applications Found for Ultraviolet Light and Fluorescence in the Industries, Sciences, and Arts
By
H. C. DAKE
Editor The Mineralogist Magazine and
JACK De MENT
Associate Editor The Mineralogist Magazine
CHEMICAL
Brooklyn,
1942 PUBLISHING
COMPANY, INC.
New York