Not quite 'Perpetual'

This calendar starts on January 1st, 1600 and ends December 31st, 2799 it is based on the repeating cycle of 400 years and a solar cycle of 28 years. It works by means of the "Dominical Letter" 

This beautiful instrument is fashioned of brass and comes complete with wooden base and booklets explaining method of use and historical context.

Perpetual Calendar

SKU: H27
  • Diameter: 3.54"

    Thickness: 0.24"