Deed of Assignment and Co-partnership Deed of assignment and co-partnership in which Edward Sinnett gives a half share of the interest in his two medicines (French Pills and Doctor Sinnett's Cordial Balm) and the copyright of his book entitled Practical observations on ... Nervous Atrophy' to John O'Galligan for the some of one hundred pounds, and the other half share to his son Frederick Sinnett. 15 March 1823