PERPETUAL CALENDAR 1956-1983 Carpenters & Joiners Union 75th Anniversary

Description

PERPETUAL CALENDAR 1956-1983 Carpenters & Joiners Union 75th Anniversary
Rotating discs make a calendar for the years 1956 through 1983 including leap years.
Issued by the United Brotherhood of Carpenters & Joiners of America in 1956 on the occasion of the 75th anniversary of their founding in 1881.
Device was manufactured by Anderson & Sons, Inc., Westfield, Mass.
Size is 1-5/8 inches square.  Excellent condition.