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Oil tankers appeared in the late 19th century; today they are among the largest ships.
The fastest track-based means of urban transport.
RMS Titanic was the largest passenger ship at the beginning of the 20th century
This animation demonstrates how sonar works.
The first supersonic passenger airliner entered service in 1976.
Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his...
This animation demonstrates the equipment of a police patrol car.
The most popular European-made transport aircraft before World War II.