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7 Yj Z New Casting Process for Producing Heavy Chain Developed and Approved—-Manufacturing in Quantities to Begin Soon €f STATIC NOU Ps ¥ FIG. 1 FIG. 2 L£°JERK No, FIG. 3 eg STATIC No. /4 ‘id £°A LINKS CHAIN JERK No, 8 STATIC No./7 ANCHOR CHAINS OF VARIOUS TYPES AFTER UNDERGOING TESTS. PANYING FIG. 4 TABLES GIVE DETAILED RESULTS 294 ACCOM- PIG. 5s-—-DYNAMIC: JERK” TESTING MACHINE TUD link anchor chain made S of electrically refined steel will be manufactured in’ a new plant under construction § at Cleveland by the National Mal- leable Castings Co., Cleveland. Preliminary work of experimentation and of developing the molding practice has been under way for some months. Recently tests were conducted to deter- mine the strength of the chain and as a result the approval both of. the American Bureau of Shipping and of Lloyd’s has been received. The National company took up the investigation of the new method of producing anchor chain at the request of the council of national defense which had been studying the situation brought about by the enormous expansion in demand for chain to meet the huge shipbuilding program. Government offi- cial, including Navy officers, have fol- lowed the work closely. The company expects to begin manu- a ee