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Show Protection for Miners. Workers ln certain mines, as well as In glass and mirror factories, aro subject sub-ject to injurious effects from the inhalation in-halation of mercury vapors. An Italian savant, Slg. Tarns:!, believes that tho property of aluminum to absorb ab-sorb mercuric vapors may be utilized for protection against this danger, and he has devised for tho purposo a mask of aluminum wire to be worn over the face. His Idea Is that the air breathed will be freedlfrom tho Injurious Injuri-ous vapors through their absorption by the aluminum. |