Matches in DBpedia 2015-10 for { ?s ?p "Brown powder or prismatic powder, sometimes referred as "cocoa powder" due to its color, was an explosive-based propellant used in large artillery and ship's guns from about the 1870s. While similar to black powder, it had slower, gentler, burning rates; and used less-reactive fuel ingredients. Further modifications of its burning rate were achieved by shaping the powder grains into prismatic shapes, typically single-perforated hexagonal or octagonal prisms."@en }
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- Brown_powder comment "Brown powder or prismatic powder, sometimes referred as "cocoa powder" due to its color, was an explosive-based propellant used in large artillery and ship's guns from about the 1870s. While similar to black powder, it had slower, gentler, burning rates; and used less-reactive fuel ingredients. Further modifications of its burning rate were achieved by shaping the powder grains into prismatic shapes, typically single-perforated hexagonal or octagonal prisms.".