National boilers, radiators, and specialties: catalog no26 . 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 ,. nches nches 9. 00 nches 15. 00 nches 21. 00 nches nches nches nch Iron Body nch Iron Body 62 NATIONAL HEATING SPECIALTIES Novus Graduated Packless Valves.

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Size: 1318px × 1896px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920