EditorialGangway over a ditch of 70. Work shoes long ... 2 covered gangways, Illustration of various types of bridges from the 18th century, Tab. III, after p. 52, 1766, Caspar Walter: Br?cken-Bau, oder Anweisung, wie allerley Arten von Bruecken, sowohl von Hol...
EditorialGangway over a ditch of 70. Work shoes long ... 2 covered gangways, Illustration of various types of bridges from the 18th century, Tab. III, after p. 52, 1766, Caspar Walter: Br?cken-Bau, oder Anweisung, wie allerley Arten von Bruecken, sowohl von Hol...