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The first Hungarian-made locomotive powered directly from the national electricity...
This animation demonstrates the most important equipment of ambulance cars.
The German triplane was perhaps the best known plane in World War I.
HMS Dreadnought revolutionised battleship-building in the 20th century.
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
The first supersonic passenger airliner entered service in 1976.
A bireme is a type of ancient warship, with a characteristic pointed bow and two decks of...
This animations demonstrates the exterior and interior construction of cars, as well as...