{"id":2044,"date":"2025-08-14T08:17:45","date_gmt":"2025-08-14T06:17:45","guid":{"rendered":"https:\/\/2025.frontinus.de\/publikation\/de-trigono-balistario-das-ballistendreieck\/"},"modified":"2025-10-28T08:40:41","modified_gmt":"2025-10-28T07:40:41","slug":"de-trigono-balistario-das-ballistendreieck","status":"publish","type":"publikation","link":"https:\/\/www.frontinus.de\/en\/publikation\/de-trigono-balistario-das-ballistendreieck\/","title":{"rendered":"De trigono balistario \u2013 The ballista triangle"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Surveying plays a crucial role in the construction of water pipes, from ancient aqueducts to modern pipeline systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Johannes Fontana of Venice was practicing medicine in Udine when he wrote the extensive treatise &#8220;De trigono balistario&#8221; in 1440. The innovative ballista triangle combined the functions of several measuring instruments. Depending on its configuration, the instrument was suitable for terrestrial or astronomical measurements. This publication contains instructions for construction and application and is available in the original Latin version and a German translation. Text, translation, and drawings by Horst Kranz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We recommend reading this text, which is both technically and historically very interesting, to all interested persons.<\/p>\n","protected":false},"featured_media":0,"template":"","art_der_publikation":[40],"class_list":["post-2044","publikation","type-publikation","status-publish","hentry","art_der_publikation-further-publications","post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>De trigono balistario \u2013 The ballista triangle - Frontinus Society<\/title>\n<meta name=\"description\" content=\"Surveying plays a crucial role in the construction of water pipes, from ancient aqueducts to modern pipeline systems. 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