NO MAJOR REPAIRS IN 25 YEARS* Sturtevant
Construction
Assures
Long M i l l Life at Top Loads Sturtevant crushing and grinding ma chinery answers the long life top-load pro duction problem for medium to small size plants. Many Sturtevants have been operat ing above rated capacities for more than 25 years, and without a major repair. "Open-Door" design gives instant acces sibility where needed — makes cleanouts, inspection and maintenance fast and easy. Machines may be set up in units to operate at equal quality and capacity.
MANUFACTURERS' LITERATURE foams is now available. Dept. IEC, National Aniline Division, Allied Chem ical and Dye Corp., Jfi Rector St., New York 6, Ν. Y. 137 Rare Earth Metals. Data sheet lists best literature values for melting point, boiling point, density, and atomic ra dius of rare earths. Prices for experi mental quantities listed. Dept. IEC, Research Chemicals, Inc., P.O. Box 4SI, Burbank, Calif. 138 Research Chemicals. New • 40-page booklet lists some 160 chemicals avail able in sample quantities. Substantial portion of the chemicals are being offered for the first time. Dept. IEC, Dow Chemical Co., Midland, Mich. 139
Jaw Crushers — Produce coarse (5 in. largest mod el) to fine ('/β in. smallest model). Eight models range from 2 χ 6 in. jaw opening (lab model) to 12 χ 26 in. Capacities to 30 tph. Ail except two smallest sizes operate on double cam principle — crush double per energy unit. Request Bulletin No. 062. -«.
Rotary Fine Crusher — Reduce soft to medium hard 3 to 8 in. material down to Vi to VA in. sizes. Capacities up to 30 tph. Smallest model has 6 χ 18 in. hopper opening; largest, 10 χ 30 in. Non-clog ging operation. Single handwheel regulates size. Request Bulletin No. 063.
Crushing Rolls — Reduce soft to hard 2 in. and smaller materials to from 12 to 20 mesh with mini mum fines. Eight sizes, with rolls from 8 χ 5 in. to 38 χ 20 in.; rates to 87 tph. Three types — Bal anced Rolls; Plain Balanced Rolls; Laboratory Rolls — all may be adjusted in operation. Request Bulletin No. 065.
Resin Laminate System. Product data sheet describes combination of liquid resins and woven glass cloth. System provides a tough, flexible, shock-resist ant surface that is chemically resistant to all common acids and alkalies. Dept. IEC, Twinsburg-Miller Corp., Twinsburg, Ohio. 140 Stainless Steel Fittings. Booklet gives examples on how installation costs can be cut by using Quikupl fittings which eliminate the need for threading, weld ing, or flaring. Dept. IEC, Vanton Pump & Equipment Corp., 201 Sweetland Ave., Hillside, N. J. 141 Styrene Oxide. Fourteen different types of reactions involving styrene oxide are described in a new 16-page booklet. The booklet, which revises a previous publication, includes a new section on the use of styrene oxide as a reactive diluent in epoxy resins. Dept. IEC, Dow Chemical Co., Midland, Mich. 142 Urethane Foams. Du Pont has a bro chure containing samples of resilient, shock-absorbing, semirigid, and rigid urethane foams. Samples are 2 x 3 inches and a half inch thick. Dept. IEC, Du Pont Co., Wilmington 98, Del. 143
INSTRUMENTS Hammer Mills — Reduce to 20 mesh. Swing-Sledge Mills crush or shred medium hard material up to 70 tph. Hinged-Hammer Pulverizers crush or shred softer material at rates up to 30 tph. Four SwingSledge Mills with feed openings from 6 χ 5 in. to 20 χ 30]/z in. Four Hinged-Hammer Pulverizers with feed openings from 12 χ 12 in. to 12ΐά χ 24 in. Request Bulletin No. 084. ^Reports Manager W. Carleton Merrill concerning Sturtevant Swing-Sledge Mill at James F. Morse Co., Boston.
STURTEVANT MILL C O M P A N Y 105 Clayton St., Boston 2 2 , Mass. 128 A
Air Sampler. Brochure describes in strument for measuring air pollution. Applications are: factory health haz ards, radioactive particles, smoke and smog, atmospheric conditions, and mine air hazards. Dept. IEC, The Staplex Co., Air Sampler Division, 777 Fifth Ave., Brooklyn 32, Ν. Υ. 144 Computers. Illustrated bulletin de scribes digital computer which engi neers can be taught to use within 2 to
INDUSTRIAL AND ENGINEERING CHEMISTRY
4 hours. Dept. IEC, The Shaw Co., 2525 Beverly Blvd., Los Angeles 57, Calif. 145 Dial Scale. New booklet shows scales for a wide cross section of industry and agriculture with related accessories. Dept. IEC, Howe Scale Co., Rutland, Vt. 146 Flow Tubes. Twenty-page bulletin gives technical data on design, meter ing characteristics, flow formulas, ca pacity and accuracy, and installation information on Dall flow tubes. Bull. 115-LSC, Dept. IEC, Builders-Provi dence, Inc., SJj.5 Harris Ave., Provi dence, R. I. 147 Hydro-Separators. Catalog contains information on construction and appli cation of countercurrent classifiers, heavy media separators, hydroclassifiers, and hydroseparators. Bull. No. S9-C, Dept. IEC, Hardinge Co., Inc., York, Pa. 148 Indicating and Recording Thermom eters. Vapor and mercury-actuated thermometers and thermal systems for use between the temperature limits of - 1 2 5 ° to 100° F. are listed and ex plained, along with separable wells and other accessories. Catalog is 56 pages. Cat. C60-2, Dept. IEC, MinneapolisHoneywell Regulator Co., Industrial Division, Wayne and Windrim Ave.,
Philadelphia 44> Pa-
14
°
Infrared Analysis of Sulfur Dioxide. Application data sheet gives process control information on sulfur recovery in petroleum sour gas, conversion of sulfur to sulfuric acid, or stack gas composition in a power plant. Dept. IEC, Beckman Process Instruments Division, 2500 Fullerton Rd., Fullerton, Calif. 150 Liquid Meters. New 2-page bulletin describes line of industrial liquid meters. Bulletin emphasizes the 1-inch, 5000pound oscillating piston-type meter and illustrates its oscillating piston prin ciple. Dept. IEC, Meter and Valve Division, Rockwell Manufacturing Co., 400 North Lexington Ave., Pittsburgh, Pa. 151 Photo-Manometers. Bulletin gives information on multiple-tube well-type manometers with translucent scale and built-in backlighting, designed to be photographed to obtain simultaneous readings and permanent records of measurements. Dept. IEC, King En gineering Corp., Box 665, Ann Arbor, Mich. 152
