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L7

Serene Highnefs, I have written unto you two Letters about deletion ye /deletion the Nature & Qualities of the Fire, now you very well know that Smoak is watery Humour of Woods or Coals, which ascends high & afterwards difsipates in the Air & if any Particle of this Smoak sticks to the chimney, is it called Soot, & if it flames, the whole House is burnt, therefore we have little Boys who clean our Chimneys,