At a recent meeting of the Philadelphia Section of The Society of Naval Architects and Marine Engineers, 74 members and guests heard a paper titled "Control and Instrumentation of Slow- Speed Diesels," presented by John W. Dirriwachter, manager,
Equitable Shipyards, Inc., New Orleans, La., recently launched the first of two ferries being built for the State of Louisiana, Department of Highways. The ferryboat New Roads is the first of two ferries to be built by Equitable Shipyards, Inc.
An International S y m p o s i um on "Automation for Safety in Shipping and Offshore Petroleum Operations" (ASSOPO '80) is scheduled to be held in Trondheim, Norway, June 16-18, 1980. The symposium was organized by the Norwegian Society for Automatic Control,
Gems Sensors Division, Plainville, Conn., recently published a new 16-page catalog describing solid-state Safe-Pak and Zener Barriers that protect instrumentation or equipment in potentially hazardous areas. The units render non-voltage producing sensors intrinsically-safe.
ITT Grinnell Valve Company, Inc. of Providence, R.I., recently introduced the Dyna-Lok highperformance butterfly valve. The new valve is designed to extend the range of conventional butterfly valves with shutoff capabilities of steel gate and ball valves.
The Maritime Administration has released a report which presents procedures, recommendations, and guidelines for tuning marine steam turbine propulsion systems and related auxiliary components. The study, "A Practical Operating Guide for Tuning Steam
Equipped with a unique computerized positioning system, the Saipem Castoro Sei, the world's largest pipelaying barge, began its sea trials in August off the Italian coast. The column-stabilized, semisubmersible barge, which measures 470 by 212 by
An international Ship Vibration Symposium will be held at the Sheraton National Hotel in Arlington, Va., near Washington, D.C., on Monday and Tuesday, October 16-17, 1978. The symposium will be jointly sponsored by the interagency Ship Structure Committee