the discs were essentially like a skinny hull. However, the rollers could be driven akin to large wheels on a road-going craft, which provided some forward drive. The roller ship design also ...

The Navy wants a Louisiana shipyard to build the first hull for the Landing Ship Medium program as part of a plan to find an ...

The Hammonia was built in the ship-yard of J. G. Thomsen, on the Clyde. Her hull is entirely of steel and is divided into nine water-tight compartments. View Full Article in Timesmachine ...