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Z.D.A. MOVE TO LONDON. The Zinc Development Association and its affiliated associations—The Hot Dip Galvanisers, the Zinc Alloy Die Casters and the Zinc Pigment Development Association—have greatly extended their work in recent years and are well known to zinc users everywhere. Speaking at the opening of the Z.D.A.'s new offices at 34, Berkeley Square, London, Mr. D. P. C. Neave, Chairman of the Z.D.A. and Vice‐Chairman of the Consolidated Zinc Corporation, said that the consumption of zinc last year reached a new high level. Most of the zinc used in Britain is of Commonwealth origin, and Canada and Australia are generous contributors to the Association. This has made possible, Mr. Neave said, the move to London. The new offices were formally opened on January 10th by the President of the Board of Trade, Mr. Peter Thorneycroft, M.P.