Measuring and regulating apparatus, namely, temperature regulating apparatus; electrical laboratory apparatus for scientific and industrial purposes, namely, cold and heat thermostats, bath thermostats, pendant thermostats and circulatory thermostats; furniture especially made for laboratories for use as cold and hot bath containers; accessories for the aforesaid goods, included in this class, namely, electric control devices for heating thermostats and recirculating thermostats; Cold and hea...