NEWS
666
E D I T I O N
Vol. 19, No. 11 and a small unit designed particularly for laboratories and experimental work. Bulletin
IE.
CROWELL M F G . C O . , I N C . ,
319 Franklin Ave., Brooklyn, Ν. Υ.
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Listed publications should b e requested directly from t h e c o m p a n y c o n cerned. U s e business stationery, m e n t i o n bulletin n u m b e r s , a n d refer t o t b 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 .
Air-Conditioning Unit. A 4-page folder describes equipment designed for cleaning up t h e atmosphere and eliminating ob jectionable odors and harmful bacteria. I t is said t o filter, deodorize, sterilize, humidify, and circulate the reconditioned air through t h e building. Folder IE. NORWOOD FILTRATION CO., Florence, Mass.
Barrel Lifts. Information on a t y p e of lift equipment for handling barrels or drums up t o 750 pounds gross weight is given in this 4-page leaflet. T h e unit lifts, moves, tilts, and turns the container. Bulletin 104 IE. FALSTROM Co., Faistrom Court, Paasaic, N . J. Centrifugal Pumps. A n engineering bulletin describes a line of two-stage volute centrifugal pumps. A rating table and concise specifications are included. Bulletin
228-1
IE.
WARREN
STEAM
PUMP Co., INC., Warren, Mass. Control Equipment for Motors. I n this bulletin t h e case history method of pre senting information is used and a wide variety of industrial applications are pic tured and described oriefly. Bulletin GES-2456
IE.
G E N E R A L ELECTRIC C O . ,
Schenectady, Ν . Υ . Cooling Fans. Capacity and dimension tables are supplied liberally for various types of fans. Suggestions as t o applica tion and planning of systems are given, and comfort cooling in t h e u s e of this equipment for residence applications is discussed. Bulletin B2529 IE. AMERICAN BLOWER CORP., 6000 Russell St., Detroit, Mich.
Flexible Metal H o s e . This bulletin de tails information on assemblies used for tank car outlets and on couplings and fit tings. Construction features are described.
Screening Grinders for pulp and paper mill service are detailed in a 4-page folder. These machines have been developed t o do preliminary defibering work ahead of the Jordans, reducing the oversize o r rejects from screens and knotters t o proper size. They are applicable t o the reduction of semicooked chips and knots coming from t h e knotters, reducing the material i n a w e t condition t o a semirefined pulp. Several types of mills for pulp and paper mill service are also described. Bulletin
Bulletin 55-F IE.
749 IE.
tions, and line drawings give detailed in formation on construction and operating characteristics. Catalog IE. FILTRATION ENGINEERS,
I N C . , 8 5 8 Summer A v e . ,
Newark, N . J.
PENNSYLVANIA F L E X I
BLE METALLIC TUBING Co., 72nd Street
and Powers Lane, Philadelphia, Penna. Floor Gratings. T h e manufacturers have packed a great deal of information about floor gratings a n d treads into this booklet. T h e line includes an ali-purpose open steel flooring, stair treads, armored flooring for heavy loads, and a line of floor steel for embedding in asphalt, concrete, or other flooring material. Installation photographs, a safe-load table, and as sembly information complete the bulletin. A.I. A. File 14-RIE. WM. F.KLEMPCo., 6601 South Melvina Ave., Chicago, 111. H e a t Exchangers. This little bulletin describes heat exchangers marketed under the trade name "Leverlox" and designed >rimarily for use as jacket water coolers, ube oil coolers, blow-down heat ex changers, condensers, feed-water heaters and fuel-oil heaters. T h e Leverlox feature is said t o simplify assembly. Bulletin No.
i
101-A
IE.
H E A T T R A N S F E R PRODUCTS,
Crushers. A n engineering leaflet de scribes a line of double roll crushers, de signed primarily for preparing stoker coal. Incorporation of a new reversible ratchet adjustment makes it possible t o hold the product of the crusher a t a desired size level a t all times. Bulletin 740 IE. M C N A L L Y - P I T T S B U R G H M F G . C O R P . , 307
BROWN
North Michigan Ave., Chicago, 111.
Roberts Aves., Philadelphia, Penna.
Filters. A 44-page catalog describes filters designed for compressed air, gases, liquids, engine, and compressor intake. Diagrams, sectional drawings, specifica tion charts, and detailed engineering data are used generously. Catalog IE. STAYNEW
Petroleum Testing Instruments. This catalog describes equipment widely used for petroleum testing work, including etched steam thermometers, enclosed scale thermometers, and hydrometers for general laboratory use. Catalog 699E IE.
FILTER C O R P . , Rochester, Ν . Υ .
C. J. TAGLIABUE M F G . Co., Park and
INSTRUMENT? C O . , W a y n e
T H E J E F F R E Y MANUFACTURING
Co., Columbus, Ohio. Screens. A bulletin on vibrating screens includes dimensions, line drawings, and photographs of installations. The equipment i s described as handling a wide variety of material from wood chips and sugar cane refuse to pyrites and sericite. Bulletin
105
IE.
ROBINS
CONVEYING
B E L T C o . , Passaic, N . J.
Seamless Tubing Wall. A card folder lists thickness data i n millimeters and inches and compares t h e various gages in use today. Technical Data Card 108A IE. THE
BABCOCK & W I L C O X T U B E C O . , 85
Liberty St., N e w York, Ν . Υ . Silver Alloys for Brazing. A pocketsize bulletin gives information on this type of alloy and suggests applications. The bulletin is designed t o make possible a wise selection of a suitable brazing alloy. Bulletin
IE.
T H E AMERICAN P L A T I N U M
W O R K S , N e w Jersey Railroad A v e . and Oliver St., Newark, N . J.
INC., 9 0 West St., N e w York, Ν . Υ. Industrial Power Units and Motorized Valves. T h e units described in this catalog have many applications in the chemical process industries, particularly i n propor tioning control. Control motors are de scribed in detail with condensed specifica tions and dimension tables. This thorough ness of description carries through the bulletin, which covers motorized three-way valves, internal pilot-operated valves, and other industrial units. Catalog 77-1 IE. and
Nostrand Aves., Brooklyn, Ν . Υ . Filtration Equipment. I n this catalog a thorough working description of a line of continuous filtering equipment is given. Large photographs show the equipment actually a t work under operating condi
Rubber-Tread Return Idlers for belt conveyors are the subject of a new data sheet. These units have been developed to support the return run of 14- to 60-inch wide belt conveyors. References are made to use o n conveyors for handling corrosive, abrasive, and wet or sticky materials. It is said t h e idlers, through a kneading ac tion of the rubber treads, keep these ma terials from building u p and help break up and loosen ice which forms on the belt in freezing weather. Folder A-640 IE. L I N K - B E L T CO., 220 South Belmont Ave., Indianapolis, Ind.
Rotary Air Pumps. Given i n this bulle tin are engineering details o n a line of several types of positive pressure blowers or vacuum pumps, rotary air compressors,
Spray Drying Systems. In this bulle tin a brief description and a well-drawn flow sheet indicate t h e application of this line of equipment. Material w h i c h has been successfully spray-dried in this type of equipment is listed. Bulletin, IE. B O W E N R E S E A R C H C O R P . , Garwood, N. J .
Steam Traps. Featured in this bulletin is selection of t h e proper trap. T h e line of traps includes side inlet, bottom inlet, a compound scries, and a forged steel series. Recommendations a n d a table of warm ing u p loads and normal radiation loads complete the bulletin. Form 144-441-10-S IE.
ARMSTRONG MACHINTB W O R K S , 835
Maple St., Three Rivers, Mich. Valves. Published under t h e title of "Where t o U s e Valves, Drains, a n d B y passes", this booklet gives a concise dis cussion of the fundamentals of valve de sign and application and deals with valve characteristics. Specification and dimen sion tables are given. Booklet IE. J E N KINS B R O S . , 80 W h i t e St., N e w York, Ν. Υ .
