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40 . MARINE REVIEW October, 1925 LIDGERWOOD ELECTRIC WINCHES A splendid winch for fast work. One man operates both friction drums. Overhauling device gives rapid paying out of empty whip. We build a full line of electric and steam ship and dock winches and steering gear AUTOMATIC TOWING ENGINES LIDGERWOOD MEG. Co., 96 LIBERTY STREET, NEW YORK Philadelphia, Pittsburgh, Chicago, Seattle, Tacoma, San Francisco, Los Angeles, Portland, Ore., Columbus, O. Sales Agents: Woodward, Wight & Co., Ltd., New Orleans. Canadian, Allis-Chalmers, Ltd., Toronto. John D. Westbrook, Inc., Norfolk, Va. Foreign Offices: London, England. Sao Paulo, Brazil. Rio de Janeiro, Brazil. Dependable Service Captain J. E. Jones, of the Detroit Fire Tug ‘‘James Battle’, refer- ring to Dake Steering Gear in- stalled in 1905, says: ‘‘It has given wonderful results since its installation and has never been out of service since then, which included hard usage when ice conditions were bad.” That's the kind of dependable service that is built into every Bane Oe Rolled Steel ““NEVERSLIP” Floor Plates Dake Engine Co. AMERICAN PRESSED STEEL CO. Grand Haven, Mich. PHILADELPHIA, PA. A Hand Book of Practical Shipbuilding By J.D. MacBRIDE COMPLETE handbook on modern steel ship construct‘on. It begins with ship- yard organization, and follows the work through step by step with’detailed ex- planations and copious notes on the duties of each worker. The progress of the ship is traced from the time the first keel plate is laid, through the construction of the hull, the launching and fitting out of the propelling machinery and other equipment. Every tool used in the shipyard is written up in non-technical language which the aver- age mechanic can easily understand. It is a complete work by a practical man dealing entirely with the practical side of shipbuilding, and will enable the ship worker to obtain a firm grasp on the things that are going on around him daily. CONTENTS Shipyard Organization; Division of work; Shipyard Tools; Shipways; Keels; Shell Plating; Frames; Floors; and Longitudinals; Tank Top, Inner Bottom and Peak Tanks; Stem Stern Postand Rudder; Bulkheads and Hatches; Hold Stanch- ions and Foundations; Deck Beams and Plating; Ship Fittings; Joiner Work; Launching; Engine Room and Engines; Boiler Room and Boilers; Propellers; Auxiliary Machinery; Piping Systems; Hull Engineering; Engine Dock Trial; Ship Nomen- clature; A Glossary of Terms and Phrases. 156 ill. 2 folding plates 544 x 734 inches—flexible fabrikoid 246 pages : - ($3.00 in United States and Canad Price, Postpaid) 15s. in all other Countries oe THE PENTON PUBLISHING COMPANY Book Department Penton Bldg., W. 3rd St. and Lakeside Ave. Cleveland, O. 217 MDI Please mention MARINE REVIEW when writing to Advertisers