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Ethnology of Tongareva
Figure 50. Hull plank in Omoka house pile. a, end section; b, cross section: 1, plank, 13.5 inches wide and 2 inches thick; 2, 3, side edges, grooved on outer surface for the covering battens; 4, lashing holes cut through plank about 0.5 inches to inner side of batten groove and spaced 3 inches apart—holes on right edge evenly made with cross diameters of 0.5 inches, holes on left much larger; 5, hole on left, cross diameters, 0.75 and 1 inches, perhaps cut with some form of chisel
Figure 50. Hull plank in Omoka house pile. a, end section; b, cross section: 1, plank, 13.5 inches wide and 2 inches thick; 2, 3, side edges, grooved on outer surface for the covering battens; 4, lashing holes cut through plank about 0.5 inches to inner side of batten groove and spaced 3 inches apart—holes on right edge evenly made with cross diameters of 0.5 inches, holes on left much larger; 5, hole on left, cross diameters, 0.75 and 1 inches, perhaps cut with some form of chisel.