IMPORTANT INFORMATION Micro-Crystalline & Crystalline Waxes Conserv " A " i s an entirely new petroleum wax with micro - crystalline characteristice. I t is n o t under alloca tion order of 195. I t is available i n limited monthly quantities. Important users o f microcrystalline and crystalline wax are s a t i s f a c t o r i l y b l e n d i n g small quantities* of Conserv "A" with their limited supply of micro-crystalline a n d crys talline waxes to help m e e t the shortage of these products. Irz some instances Conserv Ciu4" is being employed an an entirely satisfac tory-substitute /or micro-crystallcne or crystalline tvaxes. Samples on request.
ΉΑΚΕΥ B . LEWIS CO. WARREN · PENNSYLVANIA
INDUSTRIAL LITERATURE
Listed p u b l i c a t i o n s s h o u l d b e r e q u e s t e d d i r e c t l y dfrona t h e c o m p a n y c o n c e r n e d . U s e b u s i n e s s s t a t i o n e r y , m e n t i o n b u l l e t i n n u m b e r s , a n d refer to t h i s j o u r n a l . P u b l i c a t i o n s w i l l b e s e n t free u n l e s s o t h e r w i s e n o t e d .
Sheaves for V-Belt Drives. The dis tinct advantages of these Q D , quickly detachable sheaves are taken up in this bulletin which claims a socket wrench is the only tool needed for attaching or re moving these sheaves. Illustrations show the construction of the units, which, i t is said, can be installed or removed in min utes instead of hours. Dimensions and other important data are tabulated. Bul letin CEN-10.
PYOTT FOUNDRY & M A
CHINE C o . , 328 North Sangamon St., Chicago, 111. Solvents and Chemicals. This 130-page catalog gives valuable information on properties, specifications, and applications of t h e products manufactured b y this company. The catalog is well indexed with a summary and an alphabetical in dex. Solvents, chemicals, proprietary products, intermediates, and other prod-
ucts are t a k e n up and miscellaneous data are included- Catalog CEN-10. U. S. INDUSTRIAL·
CHEMICAJLS,
INC-, 6 0
East
42nd St., N e w York, N \ YSpray Sifter. A folder desoribing a rotary spray sifter, t h e Rofcospray, for straining all kinds of fluids. A story on i t s operation., capacities o f standard a n d junior sizes, its construction, and specifi cations are given. A cutaway drawing of t h e unit, s o m e of the fluids i t will strain, a n d a list of some of t h e companies using these machines complete t h e folder. Folder CEN'-IO. B. P . DRAJEEN^ELD & Co., 45-47 Park PI., N e w York, 3ST. Y . Steel Belt lacing. This 4-page folder covers a complete line of steel-belt lacing. Prices, sizes, arid complete descriptive matter are given. Folder 778 CEN-10. THE
BRISTOL CO., M I L L
SUTPLT
Div.t
Waterbury, Conn.
NOW IS THE TIME t o investigate t h e unique properties a n d reactions o f
η
η
Stitching Machines. This pamphlet describes t h e Silverstitcher, f o r ' t o p and bottom stitching of corrugated a n d solid fiber containers, slotted shipping units, collapsible boxes, etc. A m i e variety of units are described a n d illustrated, the ad vantages of t h e machine are clearly given, and specifications a n d photographs of in stallations are included. Paints and varnishes, food products, textile products, beverages, and many other types of prod ucts come under t h i s latter heading. Form Ad 152
CE N-10.
A C M E STEEL C o . ,
2S40 Archer Ave., Chicago, 111. Testing Equipment. This bulletin de scribes a l i n e of machines for t e s t i n g vibra tion fatigue. According to "the informa tion contained, these units "will handle parts or assemblies and are particularly designed f o r laboratory and inspection de partments for testing engine; parts, plas tic parts, cores, chemicals, a n d other ma terials, to determine the effects o f vibra tion. Besides a description of t h e units, this bulletin carries a nomograph for vibrating systems, price lists, etc. Bulle
LEVUL I Nυ I C ACID C H 3 COCH2 CH2 COOH
Expanded p r o d u c
N o priority rating.
available
Supplies a r e a l w a y s
commercial quantities
available for research
f o r w a r as well as
work.
civilian projects.
swered promptly·
tion makes
Inquiries an
tin
F CE N'-IO.
Thermometry. A 40-page "bulletin gives useful technical information o n thermome try and thermometers. It describes re cording thermometers, including t h e basis theory of several types, and practical in formation regarding ranges, charts, bulbs, and tubing. Bulletin T8O0 CEN-10. THE
RESEARCH DEVELOPMENT DIVISION A. E. STALEY MFG. CO. 1668
DECATUR, ILLINOIS C H E M I C A L
A L L AMERICAN TOOL &
M F G . C O . , 1008 Fullerton A"ve., Chicago, 111.
BBISTOL
Co.,
SALES
PROMOTION
D E P T . , Wafcerbury, C o n n . Time Pattern Controller. T h i s bulletin describes a unit, t h e B r o w n Nfew-matic Time-Pattern Controller for use "where it is A N D E N G I N E E R I N G
NEWS
essential n o t only to control the tempera ture, pressure, flow, or liquid level at a constant point, but also gradually t o in crease temperature, pressure, etc., t o a certain high level, hold it there for a defi nite time, and then gradually t o decrease a t a predetermined rate. A n example of t h e use of this unit is given i n the crystalli zation process in t h e manufacture of smokeless powder. Bulletin, 87-1 CE N' ΙΟ.
ORGANIC PEROXIDES
T H E B R O W N I N S T R U M E N T C O . , Phila
delphia, P e n n a .
CATALYSTS FOR POLYMERIZATIONS DRYING ACCELERATORS · OXIDATION
Tool S t e e l s . A 48-page handbook gives descriptions, working suggestions, and demonstration photographs of 10 Coppco tool steels, with shop chart listing more than 7 0 applications a n d recom mendations for selection o f t h e proper steel. Tables cover fractions and decimal equivalents, hardness conversion, tem perature conversion, and chemical sym bols. Handbook CEN-10. COPPERWELD S T E E L C O . , Warren, Ohio.
AGENTS
UNITED
BLEACHING
AGENTS
LUCIDOL (BENZOYL PEROXID!)
LUPERCO (PEROXIDE COMPOUKOS)
ALPEROXC
Tower Packing. A profusely illustrated 16-page booklet covers the subject com prehensively, with tables a n d diagrams. D a t a are included on Raschig rings, Cyclohelix spiral rings, Hexahelic spiral packing, a n d resistance of t o w e r packing t o g a s flow. Bulletin SI CEN-10. THE
-
(T1CHN1CAL LAUXOTL PEROXIDE)
SPECIAL ORGANIC PEROXIDES • BEGISTERED TBADEM&BK
S T A T E S STONEWARE CO.,
Akron., Ohio. Two-Way Communications. A leaflet describes t h e Executone communication for private or amplified two-way conver sation for plant and departmental use. This system is claimed to b e fast, simple, and inexpensive. T h e unit i s Under writers' Laboratories approved, and the pamphlet says there are over 78,000 now i n use. Leaflet CEN-10. EXECUTONE, INC., 415 Lexington ave., Ν . Υ. City.
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gftffifi^°5TK·?^^
LUCIDOL CORPORATION
Vacuum Pumps. A catalog o n dry vac uum pumps, covering rotary and slide valve and rotary oil-sealed types. Cut a w a y s , photographs, dimension tables, detailed descriptions, sizes, and capacity tables are all included. These pumps come i n V-beit and steam-driven units and the oil-sealed in high vacuum a n d compound vacuum types. Catalog 20O-D CEN-10.
INDUSTRIAL AND PHARMACEUTICAL
Chemicals
J. P. D E V I N E M F G . C o . , I N C . , M t . Vernon,
111. Valves. N e w sizing data o n relief valves are presented in a 4-page reprint. Reprint 26 CEN-10.
ORGANIC CHEMICALS
COCHRANE C O R P . , 17th and
Allegheny A v e . , Philadelphia 32, Penna.
Acetone Allyl Alcohol Allyl Chloride 1,3-Butadiene sec-Butyl Alcohol tert-Butyl Alcohol Diacetone
"Water Conditioning. T h i s treatise dealing with boiler water conditioning explains t h e types of impurities found in boiler feedwater, h o w these impurities accumulate, common causes of boiler scale, sludge, corrosion, etc. Included is t h e story of t h e Deconcentrator, a simple boiler attachment for the clarification of boiler water, which separates suspended matter, sludge, mud, and scale-forming im purities from the boiler water, while boilers are in operation, without wasteful blow-down. Bulletin SOJ.. CEN-10.
Selling Agents for SHELL CHEMICAL COMPANY
E L G I N S O F T E N E R C O R P . , Elgin, 111.
"Water Treating. A reprint of an article b y Charles E . Erb from t h e Oil and Gas Journal surveys, theory a n d practice of water problems in industrial operations, Re-print NR 111 CEN-10. D . W, H A E R I N G & C o . , INC., 205 W e s t Wacker Drive, Chicago, 111. Welded Tank Linings. This 4-page leaflet presents a ca^e history of how arc welding m a d e possible the lining of three acetate recovery tanks that were rapidly V O L U M E
2 1,
Isopropyl Alcohol Isopropyl Ether Mexityl Oxide Methallyl Alcohol Methallyl Chloride Methyl Ethyl Ketone Methyl Isobutyl Ketone
R.W. GREEFF & CO. 10 ROCKEFELLER PLAZA NEW YORK CITY
N O . 1 9 » ». O C T O B E R
1:0/1943
TRiBUNE-TOWEI CHICAGO, ILL.
16Ô9
An Important and Comprehensive Book for Chemists Engaged in the Manufacture of PAINTS — VARNISHES LACQUERS — PRINTING INKS NOW READy—VOLUME III
PROTECTIVE and
8 1 9 Pages 6 5 8 Pages 8 3 0 Pages
T H E JAMES F.
LIN
COLN- ARC WELDING FOUNDATION, Cleve
land, Ohio.
Welded Tubing. This "Manual of Welded Steel Tubing for Heat Exchanger and Condenser Use" furnishes complete information on this unit of equipment for the process industries. One section is d e voted to an illustrated description of t h e welded tube manufacturing process. Others deal with information t o be given when ordering, extensive tables on tube properties, carrying capacities, displace ments, etc. A chart is also given showing the range of standard sizes of welded tub
land, Ohio.
Edited by Joseph J. Mâttiello
* T i m e l y , authoritative and p r a c t i c a l " are the words t h a t describe this b o o k , for i t shows how you can best use the rawm a t e r i a l s nowavailable, h o w you can conserve scarce r a w materials, and h o w you can develop substitutes for non-available ingredients. W i t h t h e aid of chemical formulas, tables, diagrams, charts, and illustrations, t h e book describeSy explains and illustrates the manufacture and uses of colloids, oleoresinous vehicles and paints, w a t e r and emulsion paints, lacquers, printing inks, and luminescent paints and stains. Chemists a n d technicians engaged i n t h e manufacture of paints will find Volume III, i n combination w i t h Volumes I and II, an indispensable source of a u t h o r i t a t i v e information o n the chemistry and manufacture of protective and decorative coatings. Vol.1 V o l . II V o l . HI
Leaflet CEN-10.
ing. Manual CEN-10. FORMED STEEL T U B E INSTITUTE, 1621 Euclid Ave., Cleve
COATINGS t
being destroyed by the action of the acid on t h e steel plate. Side views and de tailed, sectional views are given as well a s cost tables for relining with stainless steel.
Wire Mesh. A folder describes wire mesii for conveyor belts, window guards, sectional partitions for industrial use. Specifications, various styles of chain-lirxk and flat-wire mesh are described. Illus trations show the various uses and con structions, the adaptability, etc. Sizes, weights, and other data are included. Folder CEN-10. CYCLONE F E N C E D I VISION, Waukegan, 111.
Wire Parts- A circular which attempts to snow some of the many uses for wire parts. The entire central spread is de voted to a number of classifications under which are given various kinds of wire parts and shapes that can be made. With many materials difficult to obtain, this equip ment may help many plants speed u p production. Included is a table of W & M steel wire gages, and a variety of kinds a," wire and finishes available. Circular CEN-10.
UNION STEEL PRODUCTS CO.,
Albion, Mich.
Two Speedy Helpers. . . THEIR ACCURACY ASSURED W h e r e p H control is p a r t of t h e day's work, the hardpushed l a b m a n can save lots of time with a Taylor p H Slide Comparator. I t is easy to use - . . determinations are m a d e b y moving the color standard slide i n front of the sample until a color match is obtained. Likewise absolutely accurate, for all Taylor color s t a n d a r d s carry an unlimited guarantee against fading. Price $16.00, f.o.b., Baltimore.
T a y l o r - Enslow
SLIDE CHLORIMETER Wherever a n d whenever i t is necessary to determine the free o r residnal chlorine content in water, sewage, industrial wastes, etc., the Taylor-Enslow Slide Chlorimeter is indispensaile. I t , too, is a great time sa"ver. I t is easy t o operate and ac curate, of course, for the same reason a s in the pH Compara tor—all Taylor color standards c a r r y a n unlimited guarantee against fading. Price $18.50. I n wooden carrying case $23.50, f.o.b-, Baltimore.
$6.00 $6.00 $7.50
FREE 84-PAGE BOOKLET
a « O N APPROVAL COUPON m α* JOHN WILEY &. SONS, inc. 440 Fourth Avenue, New York 16, N.Y. Please send me a copy of Marticllo's PROTECTIVE AND DECORATIVE COATINGS, Vol. Ι—56.00Π, Vol. II—$6.00D, Vol. Ill—Ç7.50D, on ten days' approval. At the end of that time, if I decide to keep the book(s), I will remit the indicated price plus postage; otherwise I will return the bookÇs) postpaid. Name Address City and State Employed by C & Ε Ν-10-1Ο-43
1670
Because we believe you -want a s much information a3 you can get, we offer you. this free booklet. I t contains t h e individual solutions t o the problems of 34 industries i n "which pH and chlorine control aro matters of vital concern. T h e booklet is yours for the asking·. AVrite for i t today . . . or a s k yoixr dealer.
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" Ε " to Handy & Herman . A surprise announcement of a second "Star" award t o Handy & Harman was made by
