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A soundly-built chimney vibrates or swings from side to side, as a whole, under sudden and violent shocks of wind, and is in reality safer when it does so than when it stands in sullen and unmoved resistance. The vibration indicates that the constituent parts of the structure are firmly compacted into one coherent, continuous, homogeneous mass.

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https://paperspast.natlib.govt.nz/newspapers/TS19310102.2.159

Bibliographic details

Star (Christchurch), Issue 19267, 2 January 1931, Page 16

Word Count
57

Untitled Star (Christchurch), Issue 19267, 2 January 1931, Page 16

Untitled Star (Christchurch), Issue 19267, 2 January 1931, Page 16