National boilers, radiators, and specialties: catalog no26 . 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. This gauge is of the Bourbonsingle spring type and is con-structed so as to prevent the cor-rosion of the moving parts. Itis especially adapted for usein cellars, basements, etc. Allmarkings on the dial are largeand plain, making it easy to readthe gauge. Size, 3^ supply high pressure gaugesand will name prices Pri
National boilers, radiators, and specialties: catalog no26 . 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. This gauge is of the Bourbonsingle spring type and is con-structed so as to prevent the cor-rosion of the moving parts. Itis especially adapted for usein cellars, basements, etc. Allmarkings on the dial are largeand plain, making it easy to readthe gauge. Size, 3^ supply high pressure gaugesand will name prices Price, each $ Novus Altitude Gauges This gauge is used in connec-tion with hot water heaters andregisters the height of the columnof water in the system. Theblack hand is connected with theworking parts of the gauge anddenotes on the dial the height ofthe water in the system. Afterthe system is filled to the properheight, the red hand is set atthe point that the black handregisters. This red hand being stationary thus serves to showthe height of water necessary to fill the system. List Price, each $
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920
