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PLOWS. 



J. 0. BILLING. 

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No. 110,336. 



2 Sheets-Sheet I. 



Palentcid Dec ?0, 1870, 



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No. tlO,33C. 



J. 0. SILLING. 

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2 Shcets-Sheel ?. 



Palenled Dec. 20. 1870. 



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