London the 2d November 1849
Whereas W. H. F. Talbot Esq. and Thomas Augustine Malone have agreed jointly to take out a patent for improvements in Photography, it is hereby agreed between them that the expense of the patent shall be defrayed by Mr Talbot, and that T. A. Malone shall assign his interest in the patent to Mr Talbot for the sum of One hundred pounds payable to the firm of Henneman & Malone
W. H. F. Talbot
T. A. Malone