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208 New Trade BEARINGS MATERIAL—A | slow-wearing material produced by combination of several metals which has been developed by Loudon & Co., Boston, is described in rent booklet that tells of the tests led to its adoption and the results it shown when in service in bearings. MANGANESE STEEL—A circular by the American Manganese Steel Co., Chicago Heights, Ill., might serve as a tabloid textbook on man- ganese steel. It contains a list of nearly all the uses for this steel so far developed and a catechism on the nature and properties of the material. CRANES—Various types of cranes and hoists for many purposes in industry are presented briefly in a bulletin by the Shepard Electric Crane & Hoist Co., Montour Falls, N. Y. BRASS DATA—The sixteenth in its series of data books has been issued by the Bridge- port Brass Co., Bridgeport, Conn. It offers 48 pages of tabular information of value to users of brass products. GENERATING SETS—Direct current di- rect connected generating sets manufactured by Engberg’s Electrical & Mechanical Works, St. Joseph, Mich., are presented in a bulletin just issued by that company. PUNCH RIVETERS—lllustrations and text descriptive of the punch riveter manufactured by the Hanna Engineering Works, ‘Chicago, are presented in a booklet issued by that company. MARINE REVIEW Publications The anatomy of the riveter and _ illustrations showing the variety of positions in which it can be applied to the work make clear its application to various classes of punching and riveting. ROTARY PUMPS—Cycloidal rotary pumps for handling oils, chemicals, tar and _ similar materials are described in detail by a bulletin by the Connersville Blower Co., Connersville, Ind. FIRE BRICK—Details of compounding and baking refractory brick are related in a leaflet by the Ashland Fire Brick Co., Ashland, Ky. PUMPS—Verse is the medium by which the F. E. Myers & Bro. Co., Ashland, O., tells of the varied types of pumps in manu- factures, in a booklet which indicate faith of the makers that married life will be happier if these pumps are used in every possible place. BALL BEARINGS—Lowering maintenance expense by the use of ball bearings is the text chosen by the New Departure Mfg. Co., Bristol, Conn., in a bulletin paying especial attention to the savings in electric motors. PYROMETERS—Practically a textbook on pyrometry, the Republic Plow Meters Co., Chi- cago, has compiled a catalog of its heat meas- urement devices. In addition to its pre- sentation of the subject the book is hand- somely conceived and executed with a wealth May, 1925 of data and illustrations of the pyrometers, their parts and_ installations. BRIDGEPORT DATA BOOK NO. 16— This little booklet of 48 pages contains a valu- able general description of the method used in making copper and brass tubing and rods and sheet, the sizes, thickness and rates are given in various tables. How any material should be ordered is also covered. A very useful little book for the engineer whether afloat or ashore. AUTOMATIC SPRINKLER—The Grinnel company in their April bulletin has particu- larly featured automatic sprinkling devices for docks, piers and water front property. This bulletin is therefore of particular interest to marine men. It is fully illustrated showing the water front properties of Galveston. MARINE PLUMBING—The A. B. Sands & Son Co., 24 Vesey street, New York have is- sued a new bulletin for 1925. This bulletin contains the description of a great variety of marine plumbing fixtures. It is fully illustrated. Different illustrations are identified by special numbers. Any one interested in completely out- fitting any vessel will find this catalog valuable. FORGE STEEL PIPE FLANGES—The American Spiral Pipe Works has just issued a very well prepared catalog fully illustrated of 86 pages on their foge steel pipe flanges. Descriptions of the drilling for flanges, pipe dimensions and dimensions on flanges have all been very thoroughly covered. An important section of this catalog is devoted to an illustrat- ed description of the manufacture of American Pipe Works corrugated furnaces for marine boilers. This section will be of particular interest to ship builders and ship repair yards. | Business News for the Marine Trade Edgewater Boat Repair Yard, Edgewater, N. J., has been incorporated with $10,000 capital to repair and build boats by Eustis “James Baldwin of Union Hill, and Harvey Smith, Astoria, L. I. Leopold Bleich, New York, is attorney. Detroit-Port Huron Steamship Co., Detroit, has been incorporated with $60,000 capital to operate boats on the Great Lakes, by ‘Charles A. Gadd, James Degan and E. J. Crowells, 1200 Washington boulevard, Detroit. Coast Dredging Co., Daytona, Fla., has been incorporated with F, A. Root president and A. E. Connelly secretary. New England Boat Works, Mianus River Bridge, Riverside, Conn., has been incorporated to take over a boat building plant with a similar name and continue its operation. Traders Steamship Corp. has been incorporat- ed with $25,000 capital by T. F. Burke, C. P. Carlson and H. E. Hansen, of New York. White & Case, 14 Wall street, are attorneys. Gravesend Marine Railways, New York, has een incorporated with $6000 capital to operate an storage dock for vessels, by D. A. Mitchell, G. D. Maclaren and F. Kay. Eiches, Gold- water & Flynn, 63 Wall street, are attorneys. Marine Ways Machine Co., St. Petersburg, Fla., J. W. Appley president, 236 Seventh, street, is building an addition to its shops 35 x 200 feet to increase output. Abe Sampson, president of the Sampson Machine & Supply Co.,’ Chartres street and Magnolia avenue, is interested in the pro- posed establishment of a steamship line between Houston and Corpus ‘Christi, Texas, Thompson Propeller Corp., Fairhaven, Mass., bas been incorporated with $50,000 capital to manufacture propellers, by Milton D. Thompson and Arthur Yates of Fairhaven, Julian Burgess, Roy <A. Jenkins and Frederick Kavolsky of Fall River, Mass., and Milton D. Thompson Jr. of Fairhaven. The Linde Air Products Co., countrywide manufacturer and distributor oxygen for welding and cutting, has recently opened the following new district sales offices: 716 First National Soo Line building, Min- neapolis, C. E. Donegan district sales manager ; 409 Lincoln Life building, Birmingham Ala., Ww. A. K. Kopp district sales manager; 508 Exchange National bank building, Tulsa, Okla., G. D. Grubb district sales manager. Local oxygen sales activity and the extension of Linde Process Service for Linde oxygen cus- tomers, as well as the sale of Prest-O-Lite dis- solved acetylene will be handled by these offices ‘for their respective territories. The Linde company also announces the appointment of J. W. Foster as district sales manager at Baltimore. Prior to this appointment Mr. Foster was a senior salesman in the Pittsburgh Linde district. Ford Plate Glass Co., Toledo, O., has bought 1700 feet of frontage on the Maumee river, from its present property to the Baltimore & New York, of Ohio. railroad docks, giving it three-quarters of a mile of river frontage. Revetment and filling are to be undertaken. Unit Navigation Co., formerly the Sunco System, has been organized with $10,000 capi- tal and has leased the large Mississippi river dock built at St. Louis, during the war at a cost of $200,000, from the Inland Waterways Corp., which operates the Mississippi- Warrior Barge Line. The Unit company will build towboats and steel barges immediately. It has received permission from the Missouri finance department to sell its securities. Paulsboro Hog Island Ferry Co., Paulsboro, N. J., has been incorporated to operate a transportation line with $500,000 capital by J. Howard Coombs, Frank L. Pote and W. C. Turner. S. R. Leap, Camden, N. J., is attorney. New River Transit Co., ‘Charleston, W. Va., has been incorporated with $50,000 capital by M. L. Parker of Mount Hope and E. F. Cochran of Charleston. New York Central railroad will make ex- tensive improvements to the Ohio Central docks at Toledo, O. A concrete dock 1500 feet long will be constructed south of Cherry street, and large coal loading machines will be erected, completely electrically operated. North Shore Dredging & Dock Co., New York, has been incorporated with $100,000 capital by D. T.‘ Howell, J. J. Moran and Ps Bis Pray, torney. Cowles-Matton Barge Canal Dry Dock has been incorporated at Buffalo, with $100,000 capital by B. L. Cowles, and J. E. Matton. J. A. Stone, Buffalo, is attorney. A seawall at New Orleans, from West End to Seabrook, will be built by the city, a bond issue of $5,000,000 being authorized. New wharves at New Orleans include one on the industrial canal to cost $1,800,000, nearly completed; the United Fruit Co. wharf, $1,000,- 000, now being built; Canal street ferry house, viaduct and wharf, $700,000 and improvements at the public coal and bulk commodity handling plant. \ S. K. Fuller, 38 Park Row, is at-