Lunar Volvelle

A volvelle is a device made up of rotating parts that are stacked on a central pivot, so that by physically manipulating the parts the system depicted can be set and read for various conditions. A lunar volvelle depicts the Earth-Moon-Sun system.

This re-creation is based on the following three examples:
http://www.bl.uk/catalogues/illuminatedmanuscripts/ILLUMIN.ASP?Size=mid&IllID=12771
http://bodley30.bodley.ox.ac.uk:8180/luna/servlet/view/all/who/Nicholas%20of%20Lynn/what/Manuscript?sort=Shelfmark
http://www.bl.uk/catalogues/illuminatedmanuscripts/ILLUMIN.ASP?Size=mid&IllID=4136

A class handout with details on the functions and uses of the device can be found on my website:
http://www.astrolabeproject.com/
at
http://astrolabeproject.com/downloads/volvelle/LunarVolvelle_v1.pdf

There is also a simulator at:
http://www.astrolabeproject.com/sim/lunarvolvelle/sim.html

**Parts:**

- Two sheets of paper or card stock
- scissors, or x-acto knife
- Thumbtack
- Earring