Fire Regulator Small 201×320 Medium 402×640 Large 643×1024 Download Tiff Original 1506×2400 | (1.5 MB) Description "An automatic device employed with low-pressure steam-heating furnaces to maintain a uniform temperature." -Whitney, 1911 Keywords Boiler, fire regulator, furnace, heat regulator, machine, temperature Galleries Miscellaneous Industrial Machinery Source: William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)
