The New International Encyclopædia…
“ It was of “gopher wood,” which is perhaps conifer cypress, of which the Phœnicians built ships, and the “pitch" used was asphalt. Its dimensions were, in English measure: Length, 525 feet; breadth, 871⁄2 feet; height, 521⁄2 feet. It was not built for speed, and merely floated about until the waters subsided. (2) To the basket of bulrushes (papyrus reed) daubed with slime, prepared by the mother of Moses, in which Moses floated on the Nile until Pharaoh's daughter rescued him (Exod. ii. 3 seq.) . ”
