138 



COLTERS. 



No, 163.563 



J. P. ZELLER. 

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W. S LAWRENCE. 

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No 165.451, 



Patented July 13, 1875. 



fft/.rif33es 



I. S. JOHNSTON. 

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G. C. l> ONS, 

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No. 167,256. 



F-aienled Aug. 31, ta7&. 



No, 168.840, 



Pilenli'^Oct. 19,1876 



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