Matches in DBpedia 2015-10 for { ?s ?p "Jean Castaing (fl. 1685–1700) was a French engineer and inventor of the Castaing machine, a device used to add edge lettering to coins. Though edge lettering had existed for over a century, the earliest methods were costly and time-consuming. In 1649, Peter Blondeau introduced a new method at the Royal Mint in England, which he kept secret. Later, in 1685, Castaing proposed that his machine be used in the mints of France."@en }
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- Jean_Castaing comment "Jean Castaing (fl. 1685–1700) was a French engineer and inventor of the Castaing machine, a device used to add edge lettering to coins. Though edge lettering had existed for over a century, the earliest methods were costly and time-consuming. In 1649, Peter Blondeau introduced a new method at the Royal Mint in England, which he kept secret. Later, in 1685, Castaing proposed that his machine be used in the mints of France.".