Left-Covering the mandrels with the mix. Right-Working the mix in between the mandrels. The space between the ends of the mandrels and the back wall is filled with concrete to block the ends of the cavities.
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https://paperspast.natlib.govt.nz/periodicals/NZJAG19470215.2.13.2
Bibliographic details
New Zealand Journal of Agriculture, Volume 74, Issue 2, 15 February 1947, Page 132
Word Count
36Left-Covering the mandrels with the mix. Right-Working the mix in between the mandrels. The space between the ends of the mandrels and the back wall is filled with concrete to block the ends of the cavities. New Zealand Journal of Agriculture, Volume 74, Issue 2, 15 February 1947, Page 132
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