National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 109
Hot Water Radiator Valve Size Inches A B c H 2K 2% IH % 3 2nA« IH 1 3K 3 Itt Ik 4H 3K IH IH Wa d% 1% 2 5H 4K 2H h —A … Union Elbow Size Inches A B H 2K IH H 2K IH i 3 IK IH 8H IH W 3K IH 2 •4H 2K
