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E Q U I P M E N T FOR © Agitators

CORROSION 9 Baskets © Blowers RESISTANCE © Fume Duct

THAT'S © Filters © Kettles

MORE THAN • Piping © Pumps SKIN © Tanks

DEEP β Towers β Many Others

H A V E G is a molded s t ructura l material that is completely ac id and alkali res is tant t h r o u g h o u t its entire mass . . . i t is n o t a l ining nor a coa t ing!

Large size equipment can be molded at l o w cost in o n e p i ece without seams o r jo in ts a n d i n s t a l l a t i o n a c c o m p l i s h e d easily and economical ly .

Send for Bulletin F-5 for completedesigjj, e?jgineerrng attd applicationdata.

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Mititttinif M*4sr trith M»nittj The next time you address a golf

ball, be sure its center is made of putty — bouncing putty, that is. For this is the newest use to which this interesting .silicone product has been put. I t is claimed that the bouncing putty cen­ter gives greater distance and improved ''click" and "feel" to the ball.

Several years ago when we were shown early samples of this unusual silicone product, we were told that no use had been discovered for it "as yet." While it is more resilient than rubber and bounces on impact, it feels like putt\' and flattens out when left by it­self. This was a combination of proper­ties that was somewhat baffling at first.

But the induction period is now over. Its first use was in physiotherapy, by crippled veterans to help strengthen their hands. Then recently (Jan. 26) we reported its use in a furniture level­ing device. But according to General Electric, one of the manufacturers of bouncing putty, golf balls will be its largest application so far. According to the U. S. Rubber Co., which is using silicone centers in all its top-grade golf balls, the new ball represents the most significant advance in golf ball con­struction since rubber thread was first used in golf balls.

The silicone center is about the size of a large pea and is under constant pressure of about 2,500 lb. per square inch.

MPviinitiowuSz continual Still quoting from Ambrose Bierce,

Ave offer more items from his "Devil's Dictionary."

MAGNITUDE. Size. Magnitude being purely relative, nothing is large and nothing small. If everything in the universe were increased in bulk one thousand diameters nothing would be any larger than it was before, but if one thing remained unchanged all the others would be larger than they had been. To an understanding familiar with the relativity of mag­nitude and distances the spaces and masses of the astronomer would be no more impressive than those of the microscopist. For anything we know to the contrary, the visible universe may be a small part of an atom, with its component ions, float­ing in the life-fluid (luminiferous ether) of some animal. Possibly the wee creatures peopling the cor­puscles of our own blood are over­come with the proper emotion when

contemplating the unthinkable dis­tance from one of these to another.

NEWTONIAN. Pertaining to a phi­losophy of the universe, invented by Newton, who discovered that an apple will fall to the ground but was unable to say why. His successors and disciples have advanced so far as to be able to say when.

OBSERVATORY. A place where astrono­mers conjecture away the guesses of their predecessors.

POTABLE. Suitable for drinking. Water is said to be potable; indeed, some declare it our natural bever­age, although even they find it palatable only when suffering from the recurrent disorder known as thirst, for which it is a medicine. Upon nothing has so great and dili­gent ingenuity been brought to bear in all ages and in all countries, ex­cept the most uncivilized, as upon the invention of substitutes for water. To hold that this general aversion to that liquid has no basis in the preservative instinct of the race is to be unscientific—and with­out science we are as snakes and toads.

PROJECTILE. The final arbiter in inter­national disputes. Formerly these disputes were settled by physical contact of the disputants, with such simple arguments as the rudimentary ' logic of the times could supply—the sword, the spear, and so forth. With the growth of prudence in military affairs the projectile came more and more into favor, and is now held in high esteem by the most courageous'. Its capital defect is that it requires personal attendance at the point of propulsion.

PROOF. Evidence having a shade more of plausibility than of unlikeli­hood. The testimony of two cred­ible witnesses as opposed to that of only one.

PROOFREADER. A malefactor who atones for making your waiting non­sense hy permitting the compositor to make it unintelligible.

QUOTIENT. A number showing how many times a sum. of money belong­ing to one person is contained in the pocket of another—usually about as many times as it can be got there.

RADIUM. A mineral that gives off heat and stimulates the organ that a scientist is a fool with.

REASON, v.i. To weigh probabilities in the scales of desire.

REASON, n. Propcnsitate of preju­dice.

(To be continued)

C H E M I C A L A N D E N G I N E E R I N G N E W S 500