THE CHAIRMAN, opening the meeting, said the occasion was very exceptional for various reasons. In the first place, it was the first occasion on which there had been a joint meeting of the Institution of Structural Engineers and the British Constructional Steelwork Association, and he hoped very much that it would not be the last one. This co-operation was exemplified by the presence on the platform of Mr. Hipwell, the immediate Past President of the B.C.S.A., with whom he, the Chairman, was delighted to share the duties of the Chair.