ch in turn warms the air within it, chimney, or an unwarmed outlet or foul air flue, the heated the line of radiators infront of and under the windows causing an acceleration of the current in the foulair flue, column of air in the vertical hot air flue is generally suffi- where they wil] do the… … age. Mr. Chas, V. Richards, of Skowhegan, Me., The natural currents ina room, with the DIRECT RADIATION WITH VENTILATION. has invented an improved clasp, which con- outside atmosphere the coldest, are down the sists in a case having its edges so arranged as windows and outside walls, and up at the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
