| Show Glass That Keeps Out Heat An Austrian inventor Richard mondy is reported to have made a new kind of window glass whose chief chiet peculiarity peculiarity pe pe- is that It prevents the passage passage passage pass pass- age of tenths nine-tenths of ot the heat of ot the suns sun's rays It is ia well known that ordinary window window win win- dow glass allows nearly all aU of the heat derived from the sun to pass through but on the other hand intercepts all aU heat coming from non-luminous non I sources such as a stove or the heated ground This is the reason why heat accumulates under the glass root roof of a hothouse If It covered ov red with glass lass a hothouse would It is claimed become a cold house since the heat could not get into it One advantage set forth in favor of ot the new glass is that a ahouse ahouse ahouse house whose windows were furnished with It would remain delightfully coolIn coolIn cool coolin in summer But in winter perhaps the situation would not be so agreeable |
