机译:Technology, Economics and Canal Development - An Early Technical Book and What It Reveals Including A Translation of Instructions for the Design and Implementation of Navigable Canals by Sebastian von Maillard (1817)
机译:Gerueste und Hilfskonstruktionen im historiscben Baubetrieb: gekeimnisse der Bautechnikgeschichte. (Scaffolding and Auxiliary Constructions in Historical Building Operations: Secrets of Construction History)