Storage Scheme

The sponsorship of this issue of The Structural Engineer by the South Africa Division is seen by members at the southern tip of Africa as a very real privilege. For those of us who have had many years of close association with the Institution, to a degree that our livelihood and careers have been influenced by our membership, there is a particular desire to record, at this time, our appreciation of this association with the establishment at 11 Upper Belgrave Street in London. T.T.W. Geach

The paper describes the design and construction of the Hugo's River Viaduct, and reasons are given for the choice of a viaduct instead of an embankment. H.B. Mills

A wind tunnel study undertaken to investigate large oscillations observed on a microwave tower is reported. It is found that large oscillations can occur for a narrow band of wind directions, which are produced by vortex shedding from the microwave reflectors. R.V. Milford and A.M. Goliger