National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 62
Made for Use onNatural Gas Made for Use on Street,Steam and Gas Size x/2%1 2 2V23 33^4 4 List Prices and Sizes of Valves for Street, Steam and Natural Gas High Pressure Steam Valves Price nch $ 5. 50 nch 5.50 nch..,. 6.00 nches 7.25 nches 9. 00 nches 15. 00 nches 21. 00 nches 34.00 nches 50.00…
