| 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 | ||
| 10-08 | Mirror sundials 3 | Fer de Vries | ||
| 10-09 | Plotting sundials | Fer de Vries | ||
| 10-10 | The Woodhenge of Coevorden: the Palisade |
Hendrik Hollander | ||
| 10-11 | An equation-of-time clock | Fer de Vries | ||
| 10-12 | Bury St. Edmunds Curve | Fer de Vries |