A smaller, prototype ice ship, measuring 60 feet by 30 feet and displacing 1,000 tons, was built as a scale model at Patricia ... the prospect of an unsinkable ship has long since become obsolete.

The model, revealed in a new documentary, shows how the 883-foot-long (270 meters) ship, once dubbed "unsinkable," was ... that the ship's engineers kept working as the Titanic sank.

It was, experts said, “unsinkable.” It carried more than 2,000 passengers, including the business magnate John Jacob Astor IV and his wife. Reportedly, the ship’s captain, Edward Smith ...