THE WISDOM OF EXPERIENCE assures maximum purity and efficiency in NIALK* chemicals-produced by a pioneer in the field of electro-chemicals. NIALK NIALK NIALK NIALK NIALK NIALK NIAGATHAL*
Liquid Chlorine Caustic Potash Carbonate of Potash Paradichlorobenzene Caustic Soda TRICHLORethylene (Tetrachloro Phthalic Anhydride)
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NIAGARA ALKALI COMPANY 60 East 42nd Street New York 17, N. Y.
V O L U M E
2 9,
N O . 29 » » » - J U L Y
16,
1 9 5 1
2949
