Author: Gray, Charles S
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Gray, Charles S
The CHAIRMAN (Mr. R. H. HARRY STANGER, Vice- President) said the audience had shown by their acclamations that the paper had been interesting. He was sure they were extremely obliged to Mr. Davidson for giving so much time to the subject, and for coming to the meeting and delivering his lecture.
Sir - Referring to Mr. Wilson’s letter of November 15 last, published in the December issue, page 483, I have pleasure in replying to the points raised by him.
In 1925 some difficulties occurred in connection with some concrete aggregates for a fairly large reinforced concrete structure in Yorkshire. Tests were carried out on various types of aggregate, and a consideration of the results of these tests led to the investigations which I now propose to describe. Gilbert Ness