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SNAME Issues Call For Technical Papers For 'Propellers 78' The Society of Naval Archi- tects and Marine Engineers has announced that a second sym- posium on propellers is being planned by Panel M-16 (Modern- ization of Propulsion Shaft Sys- tem) of the Society's Technical and Research Program. The sym- posium is planned for either June 7 and 8, 1978, or June 14 and 15, 1978, with the earlier date being preferred, in the New- port News/Norfolk, Va., area under the auspices of the Hamp- ton Roads Section of the Society. In order to develop the pro- gram and detailed planning, the Society has issued a call for pa- pers. Papers on the following subjects are particularly desired, but other related topics are not excluded: propeller strength, ana- lytical procedures, experimental data and correlation of design and experience as these subjects ap- ply to fixed-pitch propellers, con- trollable-pitch propellers, contra- rotating propellers, overlapping Jack Provenzano The engineering department of Nav-Com, Inc., a marine electron- ics distributor located at 2 Hicks Street, North Lindenhurst, N.Y., is now headed by Jack Pro- venzano, one of the country's foremost electronic engineers specializing in the design and de- velopment of navigation and com- munication equipment for com- mercial and recreational vessels. A graduate of Lowell Technical Institute, Mr. Provenzano has de- veloped marine electronics for AT&T's High Seas Radio Sta- tions. He comes to Nav-Com from CURAQAO DRYDOCHL., FULLY COMPREHENSIVE FACILITIES FOR REPAIR, MAINTENANCE AND CONVERSION OF ALL TYPES OF VESSELS. DRYDOCKING VESSELS UP TO APPROX. 120,000 DWT. AGENTS IN ALL MAJOR SHIPPING CENTRES AROUND THE WORLD: BELGIUM: C. Braam, Groenenborgerlaan 88, Antwerpen; Phone 277223 - Cable Braamarit BRASIL: Sonave S.A., A v. Rio Branco 50-8°, Rio de Janeiro; Phone 253-3922 - Telex 02123330 - Cable Sonave CANAL ZONE: C. B. Fenlon & Co. Inc., P.O Box 5025, Cristobal; Phone 43-1278, -1781, -2754 - Telex 3482032 - Cable Fenton. COLOMBIA: Erdle y Asociados Cia. Ltda., Apto. 5310, Calle 112, No. 6-93, Bogota; Phone 549456, 540001 - Telex 44772 - Cable Erdleco DENMARK: A/S Maritime Agency, Bredgade 36, Copenhagen; Phone (01) 151504 - Telex 15845 - Cable Marag. ENGLAND: Keller Shipping Co. Ltd., Cereal House, 58 Mark Lane, London EC3R-7LB; Phone 01-481 8833 (7 lines) - Telex 887100 - Cable Rellek FINLAND & SWEDEN: Nordstrom & Thulin A/B, P.O Box 1215, s-111 -82 Stockholm; Phone 08/225380 - Telex 13250 - Cable Nordstromsale. FRANCE: Phs. Van Ommeren S.A., 11 Rue Tronchet, Paris Vllle-75008; Phone: 265-09-19, 265-33-20 - Telex 28686-Cable Vanommeren GERMANY: Phs. Van Ommeren (Hamburg) GmbH, Postfach 305526, D-2000 Hamburg 36; Phone (040) 35931 - Telex 02 11864/02 161894 - Cable Vanommeren. GREECE: Th. Giavridis Bros S A , 45-49 Bounoulinas Str. Piraeus; Phone 4117450, 4117476 - Telex 2091 (5 lines), 3683 (2 lines) - Cable Theogibros. HOLLAND: Dammers & v.d Heide & Co. (Agenturen) B.V., Postbus 1337, Rotterdam; Phone 010/146011 - Telex 21127- Cable Eneragent. HONG KONG: R.I.L Hong Kong Ltd , P.O. Box 45, Hong Kong; Phone H 241181 - Telex 73608- Cable Japackline. INDIA: Nautilus International (India), 1 -B, Fazalbhoy House, New Marine Lines, Bombay 400 020; Phone 255246 - Cable Nautilus. ITALY: Cambiaso-Risso & C.S.p.A., Corso Andrea Podesta 1, Genova; Phone 593331 (9 lines) -Telex 27203 - Cable Gipenna. JAPAN: Aall & Co. Ltd., Shiba P.O. Box 164, Tokyo; Phone (03) 503.5211 - Telex 02223266, 02223568 - Cable Aallfirm NORWAY: Henning Astrup A/S, Fridtjof Nan sens Plass4, Oslo; Phone 413.847 - Telex 11307 - Cable Heast. Henning Astrup A/S, P.O. Box 1240,5001 Bergen; Phone: 215.233,230.238 - Telex 42316 - Cable Haven PORTUGAL: Soc. Cont. de Representagoes Lda., P.O.Box 2466. Lisboa; Phone 320505,325501 -Telex 12513- Cable Magnet URUGUAY: John Moor and Co., P.O. Box 1233, Montevideo; Phone 8-50-78,8-79-81 - Telex 398.363 - Cable Jomco U.S.A.: Curasao Drydock (U.S.A.) Inc., 17 Battery Place, Apt. 2222, New York, N.Y. 10004; Phone 943.0122 - Telex 42-355- Cable Drydocks. VENEZUELA: Torres Partidas y Asociados, C.A., Aparlado 3339, Caracas; Phone 544306, 555282 - Telex 21685 - Cable Artopa Curasao Netherlands Antilles P.O. Box Cable Phone Telex 153 Shipyard 78333 1107 CDM NA FOR FURTHER INFORMATION PLEASE REQUEST OUR BOOKLET „FACTS AND FIGURES", AVAILABLE IN ENGLISH AND SPANISH Communication Associates, Inc., where from 1973 to the present, he served as senior project engi- neer, assistant chief engineer, and senior chief engineer. A loran receiver, developed under his di- rection and using his designs, re- cently won the "National Marine Electronics Association Award for the Best Loran Receiver in the Industry." Mr. Provenzano's duties at Nav- Com include the supervision of the engineering staff responsible for equipment installation and service, plus establishing and maintaining the highest level of test procedures and quality as- surance. In addition, he will direct the engineering aspects of Nav- Com's unique consumer protec- tion program which ensures that every piece of equipment is prop- erly installed, operating to its fullest capability, appropriate for the vessel, and suited for the job to be done. Mr. Provenzano will also super- vise the service provided under the terms of Nav-Com's optional Extended Limited Warranty which protects equipment beyond the terms of the manufacturer's warranty. 30 Maritime Reporter/Engineering News propellers, shrouded propellers, highly skewed propellers, and cycloidal propellers; metallurgical properties; failure criteria and economic costs, and construction, maintenance and repair. Anyone interested in prepar- ing a paper should notify the Society at 74 Trinity Place, New York, N.Y. 10006, by June 1, 1977. Authors will be notified of the acceptance of their paper by July 1, 1977. A draft of the com- plete paper by October 1, 1977, will be required. Nav-Com, Inc. Names Provenzano VP-Engineering
