National boilers, radiators, and specialties: catalog no26 . Hot Water Thermometers. Angle or StraightList Price Each Hot Water Thermometer, straight Hot Water Thermometer (for use on risers, or circulating pipe) .$ m NATIONAL HEATING SPECIALTIES Novus Steam Gauges

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Size: 1316px × 1899px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920