JLTIVATOR-TEETH 



?ltinnd J«l7 31, 187- 



Fitintil An;. 11. I9TT 



Fig. 2. 



Jig 3. 



■^fmftu. 



mtnesses. 



JfH'irthi: 



»•. 194,631. »tt.lll.l Ai;. 38,187: 



M. JOHNSON. 



CnltiTntor-Tooth. 



No, 197,638. Patented Nov. 27. 1877 



^IC^ ^^^- 



