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The Crosby Group Names Craig Sales Manager William R. Craig William R. Craig has been named sales manager of The Crosby Group, announced Dick Sked, vice president of sales at Crosby. Mr. Craig will be responsible for all domestic sales for The Crosby Group. Mr. Craig previously held a management position at a steel service center in Tulsa, Okla., where he was responsible for sales and engineering. A native of Oklahoma, he holds a B.S. degree in management from the University of Tulsa. The Crosby Group, a division of American Hoist and Derrick Co., is a Tulsa-based manufac- turer of wire rope fittings, blocks, accessories, and chain. Crosby has several plants and warehouses throughout the U.S., Canada, Mexico, and Europe. ARCTEC Canada Limited Opens Testing Facility And Ice Towing Basin Transport Minister Otto Lang "piloted" an icebreaker through a frozen channel recently to of- ficially open ARCTEC Canada Limited's new Canadian head- quarters. It was a simulated, yet ex- tremely realistic "maiden voyage" in ARCTEC's new ice tank, a sophisticated testing facility to determine the effects of ice on marine structures and vessels. The "Cold Regions Marine Re- search and Engineering Labora- tory" is the first privately owned laboratory in Canada devoted ex- clusively to ice technology, and one of only four in the world. The new 14,000-square-foot fa- cility features a synthetic ice towing basin measuring 60 by 20 feet, as well as a saline ice towing basin 100 feet long and 16 feet wide. The facility is also equipped with scientific cold rooms and a hydraulics laboratory. ARCTEC Canada president Roderick Y. Edwards Jr. says his firm has developed a system of creating synthetic ice which "is as good as the real thing." The invention is the brainchild of Dr. Bernard Michel of Laval Univer- sity, one of ARCTEC's founders. The ARCTEC process uses a chemical material that models the full-scale properties of ice in model scale. "The process involves the mixture of chemical com- pounds that are a trade secret," said Mr. Edwards. The synthetic ice concept al- ready has a proven track record. It has been used to test the ef- fects of ice on offshore structures for several major oil companies. Saline ice is frozen from salt water by an ARCTEC-patented cryogenic freezing process. This fast freezing produces a control- lable crystal structure that allows scaling the strength of the ice sheet in similitude with its thick- ness. This technique will be a first for Canada. The opening of ARCTEC's Ot- tawa facility completes its con- solidation from three locations. Activity will now be centered in the national capital. "Ottawa is a growing center of Canadian technological research and devel- opment. Our work involves a great deal of liaison with the National Research Council and the Minis- try of Transport. It will also al- low us to better serve our gov- ernment clients," concluded Mr. Edwards. The new ice tank is located at the headquarters of ARCTEC Canada Limited, 311 Legget Drive, Kanata, Ontario K2K 1Z8. The LcTourncau Difference: More Lift. All Electric. All LeTourneau. Marathon LeTourneau-developed heavy lift cranes serve the offshore industry, marine construction and dockside opera- tions with proven superiority of more than seven million hours in all kinds of hostile environments. marathon When it comes to long-radius lifting capacity, no other manufacturer quite compares with LeTourneau. Take our unique PCM-120 AS vari- able radius crane. This rugged, de- pendable, proven workhorse lifts 50-tons off a 120' boom. Provides 1200 Ft. tons of lift. Plus you can rely on a compact machinery house for a space-saving swing. Optional boom lengths from 60' (18288mm) to 120' (36576mm). Construction to DNV, ABS and API specifications and the assurance that comes only with the name LeTourneau. For details on our PCM-120 AS Crane, or for information on our line of 80,000 lbs. (36288Kg) to 500,000 lbs. (226800Kg) capacity pedestal, gantry or mobile heavy lift cranes, write: Marathon LeTour- neau Company, P. O. Box 2307, Longview, Texas 75601 or call (214) 753-4411. Subsidiary of Marathon Manufacturing Company. December 1, 1977 17
