Serie XIX; Ten models for the representation of regular area division
| Number | Title | Date of Design | Dimension (cm) | Material |
| Serie XIX, nr. 2 | Ten models for the representation of regular area divisions. | 1891 | 13-15-10 | Plaster |
| Serie XIX, nr. 12 | Ten models for the representation of regular area divisions. | 1891 | 5-5-3 | Plaster |