50 YEAR CALENDAR
BC006 50 YEAR CALENDARRegular price $66.00
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An early, simple pocket calculator from an era when 50 years were akin to perpetual. Its origin goes back some 500 years. Calculate the day of the week for any given future date, within a 50-year span. To use, simply rotate dial until the selected year lies over the month.
- 1" X 3" diameter