ΗΠΠΟυΐΠ makes photochemical lamps for all kinds of lab-scale reactions. 1 • ΙΡ4Ί
WALL STREET Big 7 index dips, 2 1 others index climbs on C&EN INDEX OF STOCK PRICES 190 180
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Sept 11,1970 170
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160
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150 J «
140
BIG 7
130
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|l50 1969
OCT.
NOV.
DEC.
JAN. 1970
FEB.
MAR.
APRIL
MAY
JUNE
JULY
AUG.
SEPT.
. . . and other indexes hold edge over month ago C&EN Indexes
* ENGELHARD HANOVIA, INC. *
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Hanovia lamps are scaled to fit readily into conventional apparatus, and are also available as lowpressure custom made arcs that provide sources of radiation of short wave uv without the heat of the medium and high pressure arcs. For more information on Hanovia laboratory, pilot plant and industrial photochemical systems, contact:
Hnnoum
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200
If you're interested in exploring improved yields and reaction efficiencies through photochemistry, Hanovia can supply Mercury Vapor lamps, immersion wells and accessories made to your specific requirements. We can supply the following from stock: Radiation Lamp Model
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Big 7 chemicals Other 21 chemicals Drugs Petroleum Rubber Standard & Poor's 425 Industrials Price/earnings ratio, chemicals Dividend yield, chemicals
Year ago
Month ago
Latest week
157.7 277.1 754.4 326.6 430.2
145.4 212.7 593.1 284.2 372.8
152.5 244.3 665.7 300.5 402.2
414.5 328.6 361.8 14.1 15.1 13.4 4.28% 4.60% 4
Companies that make up the C&EN Index of Stock Prices categories are: • Big 7—Allied Chemical, American Cyanamid, Celanese, Dow, Du Pont, Monsanto, and Union Carbide. · 21 Others-Air Products, Air Reduction, Atlas, Cabot, Chemetron. Commercial Solvents, Diamond Shamrock, Ethyl, GAF, Grace, Hercules, Inmont, Mallinckrodt, Nalco, National Starch, Pennwalt, Reichhold, Rohm and Haas, Stauffer, Sun Chemical, and Witco. · Drugs-Abbott Laboratories, American Home Products, Merck, Parke-Davis, Pfizer, Richardson-Merrell, Schering, Smith Kline & French, Sterling, and Upjohn. · Petroleum-Atlantic Richfield, Continental Oil, Gulf Oil, Mobil Oil, Phillips, She» Oil, Standard Oil (Calif.), Standard Oil (Ind.), Standard Oil (N.J.), Sun Oil, Texaco, and Union Oil of California. · RubberFirestone, General Tire, Goodrich, Goodyear, and Uniroyal.
