27 Jul Thermostat Antique Brass 1930’s Vintage Williams Oil-O-Matic Heating Mercoid
This is a rare vintage Williams Oil-O-Matic Heating thermostat, manufactured by Mercoid. This antique piece features a robust, industrial design with its original brass/bronze finish and a visible mercury thermometer marked 'Tycos'. The unit appears to be a mechanical thermostat, designed for heating systems, and...