CHAPTER XI.

HEAT AND VENTILATION.--COMMON HEATING ARRANGEMENTS.--PRESENT METHODS GENERALLY UNSATISFACTORY.--IDEAL CONDITIONS.--PROPER AMOUNT OF MOISTURE RARELY ATTAINED.--A FURNACE DEFINED.--METHODS OF REACHING BEST RESULTS.--SUPPLY OF PROPER AMOUNT OF MOISTURE.--REMOVAL OF FOUL AIR.--SUPPLYING FRESH AIR WITH PROPER MOISTURE FROM STOVES.--STEAM AND HOT-WATER HEATING.--DIRECT AND INDIRECT RADIATION.--LOW-COST HEATING APPARATUS 75-82