A FIRST EDITION! ^-*-_^!?W&3 . A~/.>6 SPECIALTY GASES AND EQJtPMFNT
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Introducing... largest selection of Specialty Gases Gas Mixtures plus Gas Handling Equipment and Accessories How to buy $15,852 Air Products and Chemicals, Inc. now offers over 100 different specialty gases and gas mixtures in a variety of grades and cylinder sizes. Their quality has been proven through use in our own advanced research and development programs and industrial facilities. Diaphragm type compressors are employed to transfill all gases in order to avoid contamination. Included in the new 72-page catalogue are prices and data on rare gases, laboratory gases, fluorine compounds, span and zero gases as well as mixtures consisting of a combination of gases listed in the catalogue. These gas mixtures are packaged using the appropriate compressibility (Z) factors. Also offered are pressure and flow controls, specialty chemicals and custom instrumentation such as analyzers and blenders designed and fabricated by Air Products. Write for Air Products First Edition 72-page Specialty Gas and Equip ment Catalogue.
Air Products and Chemicals, Inc. Specialty Gas Department Allentown, Pennsylvania Please send catalogue to:
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Air Products and Chemicals ALLENTOWN,
NEW
DIMENSIONS
IN
PENNSYLVANIA
GA S Τ ΕC Η ΝΟ LΟGY
Circle No. 217 on Readers' Service Card
126 A
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ANALYTICAL CHEMISTRY
INC.
for $37.50 a month Unless you've begun to feel your age a bit, chances are you haven't given much thought to retirement plans. So you may be surprised to see how nicely a fund grows when you set up a plan to buy Savings Bonds and stick to it. Let's say you decide to buy a $50 Ε Bond each month, cost $37.50. Keep it up for 17% years (E Bonds continue to earn 10 years beyond maturity) and you'll have Bonds worth $11,175. Then switch into Η Bonds, round ing out the total to $11,500, and for the next 10 years, collect interest twice a year, mailed to your house. 1 Here's where you stand. After, 27% years you own $11,500 worth of Bonds. You've collected interest checks of $4352.75. You've realized a total of $15,852.75 at a cost of $8312.50. You'll also probably be warmed by the thought that all the time Uncle Sam was putting your dollars to work, helping keep the world as free for your golden years as it was during your younger ones. Worth thinking about, isn't it, whether you happen to be feeling your age or not. Keep freedom in your future with
U.S. SAVINGS BONDS This advertising is donated by The Advertising Council and this magazine.
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