Inventor of the reaper which enabled farmers to harvest many times as much grain as used to be gathered by hand. ALS signed 'C. H. McCormick,' four pages on two adjoining sheets, 5.5 x 8.5, July 29, 1875. Letter, in his difficult to decipher handwriting, to his brother concerning several legal cases. In part, 'Dickinson was in the D. C. case...and I was thus beaten and had to get a new trial but was denied and another case has since been decided.' In fine condition, with show through from text on reverse, several light brushes to text and some minor separation along mailing folds. Accompanied by the original mailing envelope, addressed in his hand. RRAuction COA.