. Boiler and radiator : Catalogue No. 20 Foot R. and L. Nipple Gold Pin Intermediate Sections Steam or Water Radiators 15 Feet 20 Feet Distance from center to center I 3H 3H36 36\i M% V*36 36 Free air space, per section sci. REGULAR TAPPINGS ection is tapped L. H. for R. and L. is tapped R. H. for R and L. Nipple. Indirect Radiators School Pin

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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjecthvac, bookyear1919