Alfred Castelliz created the parterre floor plan of Arnoldstein elementary school with heating and ventilation equipment on wax paper using black and blue pencil preliminary and spring drawings and red and green watercolor, 1909.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.