Folder Oversize 4

Scope and Contents From the Collection: The collection consists of architectural, engineering, and mechanical drawings depicting buildings and machinery used for the distillation of wood products on an industrial scale. The drawings are dated 1907 and are stamped with a seal indicating that they were produced by Rolof Jürgensen of the Technical Office for Chemical Industry in Prague. Some are stamped with the seal of Hegardt and Brown, a Portland, Oregon-based engineering firm associated with the civil engineer Gustave B. Hegardt...