MOLD-BOARDS. 



461 



I. SNIDER. 

 Plow-Moldboard 



Pater.lelt July 2. 1836. 



'^/.^/r c£ /^/>zy. 



j^P/s,f7r 



y^^2;^<^^4V0y^ 



J'iy. i 



J-ty 3. 





H. H. MAY. 

 Plow. 



No. 3,069. 



Patented May 2, 1843. 



jr'P£.6-26: 



