- Objectnummer2002.111
- TitelPerpetual Calendar, 18th Century.
- Vervaardiger
- BeschrijvingPerpetual 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.
- Vervaardiging periode18th century
- Objectnaam
- Materiaal
- Formaat
- l: 150mm
- w: 115mm
- l: 220mm
- w: 12mm
- James Agg