Show work for extinction of tuberculosis Exhibit exhibitions lons showing la in graphic fora form be he prevention of consumption have been shown ii I 1 every state in the bulted baat is ext ept nevada arizona new mexico and wyoming Vy oming and also in most of the canadian provinces and in n mexico porto rico and cuba according to a statement made by the national association for tho the study stud r and prevention of tuberculosis thoro there are now tsi states and 18 16 cities bay hat ins permanent and traveling travel lne exhibits besides the two operated by tha the na lional itself and the total number of at similar up plays lays la in over including about small school exhibits the first exhibit in america was shown by the maryland commission in january 1004 1901 in 1906 there were four such |