- N° d'objet2002.111
- TitrePerpetual Calendar, 18th Century.
- Créateur
- DescriptionPerpetual calendar, 18th century, handmade by James Agg. Ruled grid has numbers 1-31, with slits on the left for a paper strip showing days of the week. Beneath grid is a list of the old and new quarter days.
- Période de création18th century
- Nom d'objet
- Matériel
- Dimensions
- l: 150mm
- w: 115mm
- l: 220mm
- w: 12mm
- James Agg