9 ore 33 min, 6 nov 1791 anni - John Barber

Descrizione:

He patented several inventions between 1766 and 1792, of which the most remarkable was one for a gas turbine. Unfortunately, nothing practical came out of this patent, but Barber was the first man to describe in detail the principle of the gas turbine, and in recent years a working model based on Barber's specification has been built.

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