Fig. 1 (upper)—Principle of air flow through flat ridge. Fig. 2 (middle) —Dimensions of flat ridge. Fig. 3 (lower)—Down draught with V-ridge ventilator.
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https://paperspast.natlib.govt.nz/periodicals/NZJAG19541015.2.40.1
Bibliographic details
New Zealand Journal of Agriculture, Volume 89, Issue 4, 15 October 1954, Page 391
Word Count
23Fig. 1 (upper)—Principle of air flow through flat ridge. Fig. 2 (middle)—Dimensions of flat ridge. Fig. 3 (lower)—Down draught with V-ridge ventilator. New Zealand Journal of Agriculture, Volume 89, Issue 4, 15 October 1954, Page 391
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