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because the employers of New York were up in arms through their association against having a general coverage of occupational diseases. They wanted it specific. Particularly, they were frightened of getting caught with silicosis, which it is true is difficult to diagnose in its earlier stages. It is difficult to distinguish between silicosis and pthisis - the medical name for the state of the lung being filled up, which is tuberculosis, before they know that the tubercular germ is there. It is difficult to distinguish whether it is tuberculosis or silicosis filling up the lung and some of the earlier symptoms will be not unlike - fatigue, coughing and that kind of thing because the breathing apparatus is interfered with when the lung is filled up with silica dust.

Nine times out of ten silicosis also leads into tuberculosis as a terminal episode. If neglected and it gets worse, and the man goes on working in a silica exposed trade, he's very likely to wind up with true tuberculosis, which will show in the analysis of the sputum. There will be a tubercular germ or virus. That's because the lungs have been so damaged that the pre-existing tuberculosis, which must have been in the body all the time, as it is nearly everybody's body, comes through. In some kinds of dust the dust will be tiny, but sharp particles and they will cut the tissues