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New Trade Publications PNEUMATIC TOOLS—Through its export manager, W. J. Linn, the Cleve- land Pneumatic Tool Co., Cleveland, has issued a new French catalog, which is a model of good technical translation. The catalog is neatly arranged with clear type and is replete with illustra- tions representing the hundreds of prod- ucts of the Cleveland Pneumatic Tool Cleveland Rock Drill Co., both of which manufacture all kinds of pneumatic- operated tools, machinery and acces- sories. STEAM—Modern steam is the sub- ject of a bulletin published by the Babcock & Wilcox Co., 85 Liberty street, New York. It outlines the de- velopment of marine steam propulsion from low pressure to the _ present economical use. It also deals with economies of steam in fuel consump- tion, flexibility of operation and cost of fuel and lubricating oils. ECONOMIZER—A. bulletin published by the Babcock & Wilcox Co., 85 Liberty street, New York, is devoted to description of its forged steel re- turn bend type economizer, designed to provide a high rate of heat transfer and unusual freedom from expansion strains. All details are fully described and illustrated by photographs and drawings. Installation views and set- ting plans are also included. ELECTRICAL EQUIPMENT—Re- cent bulletins by the General Electric Co., Schenectady, N. Y. included the following: Explosion-proof, totally- enclosed, fan-cooled single-phase for hazardous locations; low-speed syn- chronous motors; mechanical-drive turbines; float switches; magnetic . switch; low-pressure blast gates; time meters; plastic products. Book- lets on arc welders and on are welding are also available. ACHIEVEMENTS—No. 2 of a series on engineering achievements by the Wellman Engineering Co., Cleve- land, portrays the development of the stiff leg unloader for the ore trade and a railroad siding in two layers, both the product of the engineering ingenuity of this company. ELECTRICAL EQUIPMENT—Gen- eral Electric Co., Schenectady, N. Y.. has issued a number of bulletins on various lines of its equipment, among them the following: Built-in speed re- ducers for general-purpose, ball-bear- ing induction motors; direct current motors; mechanical-drive turbines; brakes for direct-current motors: solenoid-operated valves, pole-chang- ing switches, combination magnetic switch; centrifugal air compressors; turbine generator sets; induction mo- tors. SLING CHAINS—American Chain Co. Ine., Bridgeport, Conn., has pre- pared a standard sling chain specifica- Lion book containing information on all standard types of sling chains. It gives speciticauon tables, definitions, cautions and instruction for purchas- ing. A chart of safe working loads at various angles is included. PUMPS—Worthington Pump & Ma- chinery Corp., Harrison, N. J., has re- leased the following trade pblications recently: Specification sheet W-205-Bl on steam-air injectors for stationary and marine service; W-310-S12A, centrifugal pumps, types CA and CB; W-319-S3, centrifugal pump, type WF; L-711-S3, dry vacuum pumps, 4 two-stage, feather valve, single hori- zontal, belt and steam driven; W-112- S15, horizontal duplex pot type, piston pattern pumps for oil. WELDED GEAR BLANKS—tLuken- weld Inc., a division of the Lukens Steel Co., Coatesville, Pa., has issued a bulletin on its welded gear blanks formed of rolled steel. This is a pre- liminary announcement of this form of gear blank, to be followed by a more comprehensive bulletin. The method of forming the blanks from special steel and advantages of its use form the subject of the publication. INSULATING FIREBRICK—Bab- cock & Wilcox Co., 85 Liberty street, New York, in a current bulletin de- scribes a type of firebrick it has de- veloped, possessed of high insulating -ualities combined with refractory characteristics. Curves, sketches and calculations illustrate its characteris- tics. Advantages of the use of this material are given. FILTICOOLER—The B. F. Sturte- vant Co., Hyde Park, Boston, has issued catalog No. 378 covering its new Filti- cooler, a product for washing, filtering and cooling air. It is claimed for the Filticooler that it will cool, filter and humidify as much air as a nine foot air washer where both are handling the same amount of air at the same water pressure and with equal air velo- cities. ELECTRICAL BQUIPMENT — Gen- eral Electric Co., Schenectady, N. Y., has issued a number of bulletins, as fol- lows: Photoelectric relay; phase pro- tective panels; fractional horsepower motors; squirrel-cage induction motors; steam turbines; mechanical-drive tur- bines; oil circuit breakers. SCALES—The Howe Scale Co., Rut- land, Vt., has issued several bulletins covering the Howe Weightograph. One bulletin is devoted to a description of this weighing machine, another deals with the double-reading Model 1710 and a third is dévoted entirely to electros and illustrations. Business News for the Marine Trade - The Newbelt Steamship Corp., Bal- timore, was recently incorporated by W. H. Baldwin, 120 East 42nd street, New York and F. C. Moore, Baltimore representative. The company has purchased the steamer ANNETTE to establish freight service between New York and Baltimore. Pier 44, North River, is New York terminal; former Clyde-Mallory line pier is Baltimore -erminal. The Tidewater Terminal Corp., Nor- folk, Va., is expending $15,000 for im- provements to passenger waiting rooms, immigration quarters, pier 1, army base, for Baltimore Steamship Co., Roosevelt line, lessee. The bureau of yards and docks, navy department, Washington, recently awarded contract at $159,000. to the Van Gorden Constructing Co., Jack- sonville, for improving the break- water at Key West, Fla. Littrell Construction Co., American Bank building, New Orleans, recently submitted low bid to superintendent of lighthouses, New Orleans, for con- 48 structing 800 feet creosoted pile and timber bulkhead at Mobile, Ala. Baltimore Ship Repair Co., 821-23 Key Highway, Baltimore, plans the construction of a steel machine shop, 30 x 70 feet, at a cost of $35,000. W. A. Gotthels will erect the building and the Blaw-Knox Co., Bayard and War- ren streets, Baltimore, will furnish the material. The Maryland-New York Steamship Corp. was recently incorporated by Robert Stinson, Baltimore Trust building, Baltimore, to establish a freight line between Baltimore and New York. The Spedden Shipbuild- ing Co., Inc., Baltimore, is repairing the steamer CoMaNcHE, which has been acquired by the new line to in- augurate the new service. The Union Stevedoring Corp. re- cently was low bidder for stevedoring at the Philadelphia navy yard, mak- ing the ninth successful bid submitted by the organization during the current year. H. C. McClarity is president. The Winton Engine Corp., Cleve- MARINE REVIEw—October, 1931 land, on Aug. 17 was awarded contract by the United States coast guard serv- ice for two marine oil engines at a cost of $32,456. Fire which started aboard the steamer SHOOTERS ISLAND Sept. 10 al- most wiped out the plant of the Maine Coal & Dock Co., Harriman’s Point, Bucksport, Me. The steamer was un- loading sulphur to a conveyor when a spark set the sulphur afire. The American Blower Co., Detroit, manufacturer of air handling and con- ditioning apparatus, has secured a 17- acre tract on Tireman avenue for a new plant. Maturity probably will be next year. The steamers Point FerRMIN, Point Bontra and Point Sur have been ten- tatively selected from the Gulf-Pacific line fleet to operate in the service of the Gulf-Pacific Mail Line Ltd., to which the post office department has awarded a 10-year mail contract cov- ering the route from Pacific coast ports to Puerto Colombo, Kingston and Tampico.