Assertion: hovercraft's inventor | /r/HasProperty | christopher cockerell
Facets:
Source sentences:
text: Over the years, various other people tried various method of using air to reduce the drag on ships, but it was not until 1952 that the British inventor Christopher Cockerell, came up with a practical vehicle.
text: It's 60 years since the British inventor Christopher Cockerell demonstrated the principles of the hovercraft using a cat food tin and a vacuum cleaner.
text: The Hovercraft was invented by the English inventor Christopher Cockerell, in 1952.