Show I Much Heat eat Wasted I t I yearly Nearly u billion and und u a halt half dollars dollar I Igo go up III American chimneys er e every year ear 1 In wasted dent bent according to engineers erfa who have h been studying n the fuel tuel requirements re of the country This great los loss U Is blamed on extravagant estra and In in- nt methods of at firing and on fault faulty standards standard of If construction A About ut C GO Il per edt ent of ot the thi heat produced produced- pr dby d- d by by burning coal cOld Is Ii said to 10 el escape cupe through the tops tOil of ot Iopu popular i tar lar Mechanics Magazine r |