| Month | Subject | Author | Remark | |
| 10-01 | Small Lead Sundial | Fer de Vries | ||
| 10-02 | New Dialling Scales | Fer de Vries | Design Fred Sawyer | |
| 10-03 | Paper model of a horizontal sundial |
Fer de Vries | ||
| 10-04 | Style-less pole style sundial 1 | Fer de Vries | ||
| 10-05 | Style-less pole style sundial 2 | Fer de Vries | ||
| 10-06 | Mirror sundials 1 | Hendrik Hollander | ||
| 10-07 | Mirror sundials 2 | Hendrik Hollander |