| http://www.w3.org/ns/prov#value | - For the first time, important documents such as the 1857 English and Piedmont patents, the 1861 Piedmont patent of Barsanti, Matteucci and Babacci which was then used as a base to construct the engine of the Escher Wyss company of Zurich and put on exhibit during the 1st National Expo of Florence in 1861, the 1861 English patent and the extensions of the Piedmont patent-right to all the Reign of I
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