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E 3 : BZ Ya A A Acc HE welding and cutting equipment , i built by the Prest-O-Lite Co., Indianapolis, is illustrated and de- scribed in a series of bulletins contained in a loose-leaf binder. One of these bul- letins entitled “Fusion or Autogenous Welding” briefly describes the various processes of electric, oxy-hydric, oxy- coal gas and oxy-acetylene welding and cutting, with a chapter on metal- cutting by oxygen. The welding ap- paratus built by this company is de- scribed in an eight-page bulletin and another bulletin of 20 pages points out how the cost of manufacturing may be lowered by repairing broken and worn equipment by oxy-acetylene welding and cutting. This bulletin contains a large number of interesting service views, showing the application of the Prest-O-Lite equipment for welding rolled steel parts, cast iron and for cutting steel. Illustrations of a wide assortment of repairs made by this process are included, which reflect the wide adaptability of this equip- ment in various classes of work. Superheaters for Big Tug The big seagoing tug Wyomine of the Lehigh Valley railroad’s coal tow- ing fleet is, it is said, the first vessel in the western hemisphere to be equipped with superheaters. They were manu- factured and installed by the American Locomotive Superheater Co., New York. These devices heat ordinary saturated steam to the characteristics of a perfect gas. Wyominc has hitherto burned 20 tons of coal a day, or 6,000 tons a year. If the superheaters do what is promised for them, a saving of from 10 to 25 per cent in fuel consumption will be effected. Will Build Docks The St. Louis Railway & Dock Co., which proposes to construct docks and terminals on an extensive scale for the interchange of land and water freight transportation, has been incor- porated at St. Louis. The company proposes to build and operate a belt line, 25 miles long, on the river front from the Missouri river and Columbia Bottom road to the vicinity of Van Buren and Catlan streets in South St. Louis. Another’ corporation will be - working cylinders. ANNAN eee ee ee nn Z Pertinent Suggestions and Personal Gossip formed, according to W. J. Holbrook, one of the incorporators of the St. Louis Railway & Dock Co., to operate a line of barges onthe Mississippi river between St. Louis and New Orleans. The incorporators of the St. Louis Railway & Dock Co. are: H. F. Bell, who owns 245 shares; W. J. Holbrook, John Hill, D. Arthur Bowman, John F. Moore and E. W. Banister. The capital stock is $25,000. Diesel New Type of | Instead of admitting high pressure air to. the working cylinder for starting or reversing, the Southwark-Harris two- cycle Diesel engine,. manufactured by the Southwark Foundry & Machine Co., Philadelphia, uses its lower scavenging piston, which forms a unit with the working piston, as a starting engine. This arrangement avoids the admittance of air under high pressure into the hot The larger diameter of the scavenging-starting cylinder, it is said, also permits of the use of lower air pressure for starting. The South- wark-Harris engine has no valves in its working cylinder. It is manufac- tured for marine use in 12 types rang- ing from two to eight cylinders and from 120 to 1,600 indicated horsepower. This engine is described in. a hand- somely illustrated catalog recently issued by the Southwark company. Detroit Folder The American Blower Co., Detroit, Mich., is distributing a folder, printed in colors, containing views of a large number of Detroit’s prominent manu- facturing plants. Interesting statis- tical information regarding Detroit as an industrial center is also included in the folder. In a booklet entitled “Graphite Brushes”, recently issued by the Joseph Dixon Crucible Co., Jersey City, N. J., an interesting chapter is included, ex- plaining how the characteristic qualities of graphite may be utilized to reduce commutator troubles. Details of Dixon graphite brushes also are given. The Dixon company maintains an electrical service department for the convenience of its customers. 357 uc l rade | Uy ¥ Z A. I li cn American Ship Catalog The American Shipbuilding Co., Cleve- land, has issued a comprehensive cata- log covering its products. The book contains nearly 200 8 Y x 12-inch pages. It is bound in loose leaf form so that ‘it may easily be kept up to date. It includes a list of the constituent com- panies of the American Shipbuilding Co., together with illustrations and de- scriptive data covering the entire line of products turned out by the company. Illustrations of numerous freight and passenger vessels built by the American Ship Building Co. are presented, to- gether with drawings and _ illustrations of engines, boilers, deck equipment, cab- in equipment, engine room fittings, ma- rine hardware, life boats, electrical fix- tures, etc. Ship Instruments The Cummings Ship Instrument Works, Boston, has issued an exceed- ingly attractive catalog describing and illustrating its line of products. Among the ship instruments described are two, three and four shaft averaging coun- ters; course counters ; engine room. set, stop clock, averaging counter and_ tell- tale; revolution timer with counter at- bocheds one-way gears; engine log and stop Boeke log stand, vacuum cut-off valves, direction indicators and indica- tor pumps. A haulage system for warehouses and docks is described in a pamphlet re- cently published by the Mercury Mfg. Co., Chicago. This system embodies the © use of electric power for hauling, the separation of the power unit from the load-carrying body and the placing of all loads upon inexpensive trailer equipment, until final disposition. Each of these divisions is discussed in an interesting manner. A number of photographs are presented showing this system in operation. The rotary pump manufactured by the Blackmer Rotary Pump Co., Pe- toskey, Mich., is described in a 16- page catalogue recently issued. A num- ber of illustrations are presented, to- gether with tables and descriptions.