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THE FIRST TURBINE
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Further, in order to prove the advantage of mechanical gearing of turbines in mercantile and war vessels about £20,000 has been recently expended, and considerable financial risks have been undertaken in relation to the first contracts.
With these preliminary remarks I now come to the subject of our lecture.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7e/The_Steam_Turbine%2C_1911_-_Fig_2_-_Hero%27s_Steam_Wheel.jpg/200px-The_Steam_Turbine%2C_1911_-_Fig_2_-_Hero%27s_Steam_Wheel.jpg)
Fig. 2. Hero's Reaction Steam Wheel.
The first turbine of which there is any record was made by Hero of Alexandria, 2,000 years ago, and it is probably obvious
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