Cyclopedia of heating, plumbing and sanitation; a complete reference work . HEATING AND VENTILATION 195 conveniently located at some centra/ point in the basement or boilerroom. Telethermometer. This is a device for indicating on a dialat some central point the temperature of various rooms or ducts indifferent parts of a building. A special transmitter is placed in eachof the rooms and electrically connected with a central , by means of suitable switcnes, any room may be thrown incircuit with the recorder, and the temperature existing in the roomat that time read from the dial.


Cyclopedia of heating, plumbing and sanitation; a complete reference work . HEATING AND VENTILATION 195 conveniently located at some centra/ point in the basement or boilerroom. Telethermometer. This is a device for indicating on a dialat some central point the temperature of various rooms or ducts indifferent parts of a building. A special transmitter is placed in eachof the rooms and electrically connected with a central , by means of suitable switcnes, any room may be thrown incircuit with the recorder, and the temperature existing in the roomat that time read from the


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