“This was an action of assumpsit for money laid out, and advanced for the defendant at his request. The facts of the case are stated in the charge to the jury . . . Sometime about the latter end of the year 1811, or beginning of 1812, John Andrews, brother of the defendant, made his appearance in Baltimore, with a power of attorney from the defendant, constituting him his general agent and attorney in the United States, with very extensive powers; and also letters of introduction to sundry merchants of that city, and amongst others, to Luke Tiernan & Co. of which firm the plaintiff was a member; announcing, to them that the said Andrews was appointed by the writer his general agent in the United States, and requesting their kind services to him when necessary.”