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EBOOK   9780259737285

Steam: Its Generation and Use. E-book. Formato PDF Babcock And Wilcox Company   -  Forgotten Books, 2017  - 

Hero makes no suggestions as to application Of any Of the devices he describes to a useful purpose. From the time of Hero until the late sixteenth and early seventeenth centuries, there is no record Of progress, though evidence is found that such devices as were described by Hero were sometimes used for trivial purposes, the blowing Of an organ or the turning of a skillet.

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