Printing Press Plate with Map of Muncipalities: Shabbona, Hinckley, Big Rock, Sugar Grove, North Aurora, Aurora,
Somonuak, Waterman, Sandwich, Plano, Bristol, Oswego, Yorkville, Millington, Plattville, Newark, and Lisbon.
This cast iron flue damper was a part of old wood burning cook stoves, to adjust the air flow so the fire would not burn too hot. Stamped "Patented July 20, 1918"