A NEW MATERIAL
A. workman in a slate quarry in North Wales found himself without a fryingpan when he wanted to cook his ham-and-egg dinner, so he used a piece of waste slate instead. Then he left it on the fire and forgot, about it. As a *esult a new kind of economical lightweight concrete lias been discovered. The piece of slate expanded in the heat. When it is broken up it can be used with cement to make a light form of [concrete, such as is used in partition* [and house walls. "Its moisture expansion is much lower than that of. the usual materials,'! an official of the Department of the Building Research said. "It is easly nailed, and is an excellent key for plaster work.''
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Bibliographic details
Evening Post, Volume CXVIII, Issue 102, 27 October 1934, Page 23
Word Count
127A NEW MATERIAL Evening Post, Volume CXVIII, Issue 102, 27 October 1934, Page 23
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