Correspondence in the Action at the Instance of James Watson, Diamond-broker in London, for Himself, as Mandatary of John Mavor, Charles Mitchell and Mary Mallam, Guardians and Trustees for the Children of the Late William Briggs, Silver-caster in London, and Their Attorney Against John Adie and Peter Spalding, Formerly Carrying on Business at Calcutta, for the Balance of Price of Certain Diamonds