National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 63
ter mark-fraction of the radiator you may desire therefore, heat whatever con^K -d J? ght-hand and left-hand lock shields. The gradttef val^sare X* ftSSft ^^^ or ** indicator or with lock shield, as may be preferred Wlth lever handle Price List Graduated Angle Packless Valves w-*ftudne or Lock… … i^3l«JK4
