Antique rotary or twist door bell, circa 1900. Mounts directly through an exterior door with the turn handle on
the outside and the bell mounted inside. Beaded oval turn measures 4" by 1 5/8" and extends 1". Cast
iron mechanical bell showing remnants of original brass plated finish measures 3" in diameter and extends
1 1/2". Bell
rings with a continuous ring as long as the handle is turned and can be heard
throughout the house. Complete and restored to working order, bell is
adjustable to any door thickness.