Lockport (Ill.), March 12, 1850
Robert Milne
Sir, Please pay to Isaac S. Newton for William Newton five hundred dollars with interest on the same from Feb'y 26th 1848 where you shall receive from Wm Newton a release of the mortgages he holds on your house lot, & charge the same to my account
[Signed] Erastus Newton
Rec'd on the above April 9th 1850 five hundred & sixty three dollars & fifty eight cents in full of the above demand [Signed] Isaac S. Newton