Flue damper with coiled steel handle. The circular damper sits inside the chimney with one end of the bar it is mounted end piercing the chimney wall with a sharp spike and the other being the handle. By rotating the handle the operator can control the temperature, air/fuel ratio, sooting, and smoke. The disc is stamped with reversible steel spindle on one side and the reverse reads, TAYLOR FORBES CO. LTD. SOVEREIGN 4 IN. GUELPH, ONT. Made in early 1930's.