Perpetual 50 Year Calendar
The 50 Year Calendar....its origins go back some 500 years. An early, simple pocket calculator from an era when 50 years were akin to perpetual. Calculate the day of the week for any given future date, within a 50-year span from 2014 - 2063. To use, simply rotate dial until the selected year lines up with the selected month. Locate the particular date and find the day of the week above it. Antique brass with a rich marble base.