Oil Users Might Try Wood. New Haven, Conn. - This sketch shows a cross section of a wood conversion unit designed by the Connecticut Agricultural Experiment Station in cooperation with Yale University's Mason Laboratory. Air enters through ducts at lower right, passes through brick grate into fuel chamber, Burning wood gas is drawn through the combustion tunnel and heats the furnace proper.

Wide World Photos, Inc. · [ca. October 1942]

[Information from item housing] Furnace