1 March 1933
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The Structural Engineer, Volume 10, Issue 3, 1932
The PRESIDENT, in introducing Mr. Tapsell, said that his paper was an extremely interesting one on rather a new subject which the author had been investigating at the National Physical Laboratory. He was very sorry, and apologised to Mr. Tapsell that so few members had turned up that evening, but the possibility was that, this being such a new subject, they had not realised its importance even in the everyday use of metals.
Sir,-with reference to Mr. Drury’s paper of the January issue of the Journal, I cannot see on what basis Mr. Drury assumes 7 1/2 tons per sq. in. as total available stresses in a pillar which has a direct stress and bending stresses.
Although refrigeration is a comparatively new science it has made enormous strides in the last quarter of a century, and is rapidly becoming an indispensable factor in the life of civilised communities. Edgar A. Griffiths