Matches in DBpedia 2015-10 for { ?s ?p "The fuel ordinarily used by MM. Niépce is made of lycopodium spores, the combustion of which is the most intense and the easiest; however this material being costly, they replaced it with pulverized coal and mixed it if necessary with a small portion of resin, which works very well, as was proved by many experiments. In Mm. Niépces' machine no portion of heat is dispersed in advance; the moving force is an instantaneous result, and all the fuel effect is used to produce the dilatation that causes the moving force."@en }
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- Pyréolophore text "The fuel ordinarily used by MM. Niépce is made of lycopodium spores, the combustion of which is the most intense and the easiest; however this material being costly, they replaced it with pulverized coal and mixed it if necessary with a small portion of resin, which works very well, as was proved by many experiments. In Mm. Niépces' machine no portion of heat is dispersed in advance; the moving force is an instantaneous result, and all the fuel effect is used to produce the dilatation that causes the moving force.".