Accountants Office May 2. 1799 I Certify that there is due to a Detachment of the First Regiment of Artillerists & Engineers, detached at Fort Mifflin under the command of Captain Ebenezar Massey the sum of two hundreds and eighteen Dollars and eighty three cents, being for the pay of Lieutenant Robert H. Osborne, Surgeon mate John R. Lynch, including forage for March and April 1799; for the pay of the non commissioned Officers and Privates of the said Detachment for the month of April 1799 which sum is to be paid to the said Lieut^t Osborne, who is to be held accountable for the due application thereof &c — S. Hagan Dy. A.G.S. Pay of the army 206.83 Forage of Officers 12.— Dols 218. 83 The Secretary of War. Reced 2^d 1799