4K0 



MOLD-BOARDS. 



J. W. FIELDS. 

 Mold-Board for Plows. 



No. 223,124. 



Patented Dec. 30, 1879. 



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■V. 'tVf^QI* IC/t 





J. H, CLOSE. 

 Plow. 



No. 223.708 



Patented Jan 20. 1880 





L. BEOON. 

 Plow. 



No. 227,405. 



Patented May tl, 1880. 



L. P. THOMPSON. 



Plow, 



No. 231.378 



Patented Aug. 17. 1880. 



WITNESSES 





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