Outstanding aspects in the perfection of grain harvesting /
Rolczynski, John.
Outstanding aspects in the perfection of grain harvesting / by John Rolczynski. - Grand Forks, ND : J. Rolczynski, c2008. - 31 leaves : ill. ; 28 cm.
Grain--Harvesting--Technological innovations--History.
Harvesting machinery--History.
Outstanding aspects in the perfection of grain harvesting / by John Rolczynski. - Grand Forks, ND : J. Rolczynski, c2008. - 31 leaves : ill. ; 28 cm.
Grain--Harvesting--Technological innovations--History.
Harvesting machinery--History.