Show 1 11 1 l 1 1 A I 1 ight 14 1 heating floating safely one of tho the most notable innovations in safe heating Is the wet base boiler in which water circulates under the osh ash pit the fact that the boiler can be placed on a combustible floor Is t of interest in connection with the trend toward the basement les house shouse in uch such houses it Is often desirable to install tile the boiler on a wooden floor in a utility room or kitchen other safety features of modern boilers ore are toot foot treadle door openers ball shaped air cooled handles c s end and side shakers making it easier to open and close dows doors |