National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 48
e above are outside measurements and Yi inch abovethe floor line. Bottom or floor openings may be made any width up to5 inches, measuring from back of base, and any length up to29 inches for a 14-section base, deducting 23^ inches for eachsection on shorter bases. Improved Cold Air Boxes These… … Premo Hospital Radiators are made in one, two and three-column patterns. These radiators measure 3 inches from centerto center of sections. This additional air space facilitatescleaning between the sections. With this provision and beingperfectly plain they are sanitary and especially adapted…
