[Sometime during session of U.S. courts in Chicago Lincoln goes to Rockford, where he studies reaper manufactured by Manny & Co. He has been retained for defense in McCormick v. Manny & Co., and during June had interview with P. H. Watson, prominent patent lawyer of Washington, DC, in regard to case. Abraham Lincoln to Peter H. Watson, 23 July 1855, CW, 2:314-15.]