Show PURE WATER CORRODES IRON use of limo lime in boilers will prevent further furber t action the corrosive cordosi I 1 e power of pure water on new or unsealed boilers bollers was well illus grated in the city of glasgow when a 1 new water supply was introduced from loch katrine one of the purest waters in in the world which are available for city consumption the former supply had been poor and calm calcareous reous and old boilers were much coated with lime scale to the dismay of the users user those who had bad put in new boilers or new nev tubes found them rapidly corroding corro ling while v hile the old scaled and coated boilers remained as before those too who had removed every possible trace of incrustation from their old boilers by mechanical ch eh anical or chemical means intending thus to set get as they expected the full beene benefit fit of the pure water were also badly troubled bIed by corrosion and even the old boilers as the scale was gradually removed by the unvarying soft and pure water from the lake were more or less corroded when no means were taken to prevent it it was found however in this cuse case that introducing a little lime from t ame nw to time enough enouf h to tc give the bo bor boler ler a s slight light P calcareous alcares us coating usually prevented th ve action of th the water then again in the course of tin time the effect produced produce was that the lime 14 matter and iron oxide skin united in forming a prote protective c oxidized surface which prevented further corolon corr wion |