Mirro Matic Kitchen Timer
Model No. 301 M
This is a Mirro Matic "Minute Minder" kitchen timer, Model No. 301 M. As with the majority of older kitchen timers, it was manufactured by the Lux Clock Co. This is a pre-1961 unit, probably dating to mid 1940's. It has an all metal body and face with plastic knob. It sounds a loud, single chime at the end of the cycle.