Roll-Calendar.
Description:
Patent for an improved roll calendar comprising a calendar strip, a pair of rolls, and a display casing. The calendar can be moved in either direction to display any calendar month desired. The improved calendar is extremely cheap and simple, may be readily operated and embodies improvements in the construction of the casing.
Date:
May 28, 1918
Creator:
Townsend, Isaac W.
Partner:
UNT Libraries Government Documents Department