Wall calendar
device · 1500 · Early modern era
A printed calendar.
What it is made of
- Monthly calendar pages — has part. A grid of days.
- Calendar hanging clip — has part. A spring or a clip.
Principles and materials it uses
- Gutenberg printing press — uses. Printing.
- Paper — is made of. Calendars were printed on paper.
What it is a kind of
- Calendar — is a kind of. A calendar.