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Ethnology of Tongareva
Figure 49. Canoe keel, Omoka: a, section above ground, 17 inches long, about 2 inches thick; b, cross section of narrow end, upper concavity 1.5 inches deep; c, cross section of wide end, concavity 2 inches deep. 1, narrow end of upper concave surface, 5.5 inches wide; 2, wide end, 6.5 inches wide; 3, holes about 0.5 inches in diameter bored through keel about 0.5 inches from edge on both sides. Spacing between holes increases from 2 inches at narrow end to 4.5 inches at wide end
Figure 49. Canoe keel, Omoka: a, section above ground, 17 inches long, about 2 inches thick; b, cross section of narrow end, upper concavity 1.5 inches deep; c, cross section of wide end, concavity 2 inches deep. 1, narrow end of upper concave surface, 5.5 inches wide; 2, wide end, 6.5 inches wide; 3, holes about 0.5 inches in diameter bored through keel about 0.5 inches from edge on both sides. Spacing between holes increases from 2 inches at narrow end to 4.5 inches at wide end.