The Quanzhou, Shinan, and Pattaya ships all had V-shaped hulls with keels, and transverse bulkheads were one of the most distinctive elements of this shipbuilding tradition. The isolation ...

Tying the ship's sides together were the deck beams ... As a further protection against sinking, the "Titanic" was divided by 15 transverse bulkheads into16 separate watertight compartments ...

It is so subdivided by transverse bulkheads that even in the event of a collision and injury to a bulkhead, whereby two com partm ents might fill with water, the ship would still float in perfect ...

permitting detailed study of important elements of the ship's construction. The presence of transverse bulkheads agrees with early historical accounts such as Marco Polo's, but in other respects ...