Minneapolis Honeywell TM850 Mechanical Chronotherm Thermostat 1950s Works Solid

This is the Honeywell TM850 Thermostat with additional stamping of c210-R. We used this for 30 years with our heating system and it was excellent, providing a single night setback lowering of the temperature. Selling it due to not able to use with AC but my installer wasn't completely sure. If you are tired of digital everything, and want the authenticity of early Honeywell, here you go Guaranteed to work as described, may be returned within 30 days, with shipping at buyer's expense.  Some information here:  https://americanhistory.si.edu/collections/nmah_1392745 Minute hand is missing,  price is lowered to reflect this.   Unit operation is not affected by this.