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Saturday Daily Telegraph GK Crossword

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Inglewood | 23:38 Mon 03rd Mar 2008 | Quizzes & Puzzles
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A type of pressure measuring instrument, invented by a French engineer in the 18th century
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pitot tube
There's also a Bourdon guage, but I guess there's a certain number of lights?

... ah! just noticed the 18th century, Bourdon was the 19th.

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Saturday Daily Telegraph GK Crossword

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