00469nam a22001691 4500 c 98000135 DLC 20260227111038.0 801210s1897 moua 00010 eng c 98000135 TH7601 .E4 Ellers, Carl L. Heating and ventilation. By Carl L. Ellers ... St. Louis, Stoves and hardware publishing co., 1897. 64 p. illus. 18 cm. On furnaces. 13102 13102