EditorialModel of a petard, Model of a petarde, also referred to in the Netherlands by the term springbus. The petarde was used to blow up wooden doors of city gates and fortress walls. The petarde was secretly applied to the city gate after which the gunpowder...
EditorialPetarden, View and cross section of a petard and mobile device for attaching a petard, fig. 53, after p. 98 (part 6), 1730, Kazimierz Siemienowicz, Daniel Elrich, Thoma Leonhard Beeren: Vollkommene Gesch?tz-Feuerwerck- Und B?chsenmeisterey-Kunst: Hiebe...