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rooms were muffled. The question of satisfactory muffling depends on the treatment of the doors, windows, floors, ceilings and partitions, and is a problem for the practical architect and the engineer to solve. So far it lias not been satisfactorily worked out. This is probably owing to the fact that such construction has not been urgently demanded. In the institution in which I have gained my experience with the method, when the build¬ ing was being erected, since it was not fireproof, Idoi:10.1001/jama.1910.04330190041013 fatcat:ia2oye27unetnc4vc56fjrefs4