Metadata
Author: WikiMatrix
Data
English[en]
During the 18th century there were many innovations in the design of timber bridges by Hans Ulrich Grubenmann, Johannes Grubenmann, and others.
Basque[eu]
XVIII. mendean aurrerapen handiak izan ziren habeez eraikitako zubietan Hans Ulrich, Johannes Grubenmann eta beste batzuen eskutik.