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Some 400 members and their guests heard Professor Eric Laithwaite give the 1980 Maitland Lecture (for text see page 5) in London on 13 November last. Institution guests for the evening included Lord Kings Norton, Lord and Lady Miles, Sir Frank and Lady Mason, as well as Dr. Oleg Kerensky (1st Maitland Lecturer, 1959) and Mrs Kerensky, and Sir Ove Arup (Maitland Lecturer 1968) with Lady Amp.
Large multibin silo complexes can be designed to dimensions, anatomies, and configurations that give optimum economy. Foundation conditions have a marked influence on this. Generally, the best capital and working returns come from silos that have their bins arrayed in plan roughly square, rather than long and narrow. Civil engineering costs are then reduced too, and the facility lends itself to greater flexibility of operation.
John Faber and D.J.A. Alsop
The time lens
Any historical account of a subject is almost certain to put a ‘time lens’ on the immediate past so that it appears to the reader that very little occurred before the start of the present century. So it is with the history of science. And yet at the same time there are sufficient eminent men of earlier years (Newton, Galileo, Archimedes, Euclid, etc.) to give the impression to school children that science has been progressing for at least 1OOO years. One should never forget to add the words, ‘but slowly!’ in reference to anything that occurred before the beginning of the 19th century. Where the time lens really works is when we look at the history of technology, for by inference, in what might be called a traditional sense, technologists pick up the brilliant discoveries of scientists and exploit them for hard