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NAΤΙΟΝAL TRADE MARK
Now...37 preformed shapes!
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NATIONAL TRADE MARK
Spectroscopic Electrodes and Powders
Here it is ! The new, complete line of "National" spectroscopic electrodes and powders. Thirtyseven preformed sizes and shapes to meet virtually every need of t h e spectroscopist — plus stock length and powders — all of t h e highest purity obtainable.
Write for catalog section
See how you can save money, speed up and improve testing with these new preformed electrodes. The exclusive package is designed to protect t h e purity of t h e product after you get it . . . assure maximum accuracy of determinations.
S-4004
CUSTOM-MACHINED ELECTRODES Where unusual test methods require electrode shapes not included in our preformed line, National Carbon will quote on machining to your specifications and maintaining the required shapes and sizes in stock. The term "National" is a registered trade-mark of Union Carbide and Carbon Corporation NATIONAL CARBON COMPANY · A Division of Union Carbide and Carbon Corporation · 3 0 E a s t 4 2 n d Street, New York 17, Ν. Υ. Sales Offices: Atlanta, Chicago. Dallas, Kansas City, Los Angeles. New York, Pittsburgh, San Francisco. In Canada: Union Carbide Canada Limited, Toronto For further information, circle number 29 A on Readers' Service Card, page 53 A
VOLUME
28,
NO.
8,
AUGUST
1956
29 A
