In 1855 his uncle, Richard Brodhead (United States Senator), procured his appointment as chief clerk of the Philadelphia Mint. He held this position until 1864, when he resigned and engaged in business as a banker and broker in Philadelphia. In 1867 he was appointed Director of the Mint by President Johnson. In 1869 he resigned. In 1870 he was a commissioner of the Government to the Pacific coast to investigate the San Francisco and Carson Mints, and to adjust some intricate bullion questions. In 1871 he was a commissioner to Europe, to examine the coinage systems of the Great Powers. In 1872 he was a commissioner, with the late Dr. Robert E. Rogers, of the University of Pennsylvania, for fitting up the Government refinery at the San Francisco Mint. In the same year he wrote an elaborate report on the condition of the gold and silver market of the world. “In this report he called attention to the disadvantages arising from the computation and quotation of exchange with Great Britain on the old and complicated Colonial basis, and from the undervaluation of foreign coins in computing the value of foreign invoices and levying and collecting duties at the United States Custom Houses.” He was the author of the Act of March 9th, 1873, which corrected the defects above referred to. His predictions in this report on the decline in the value of silver as compared to gold were fulfilled to the letter. He was thoroughly familiar with the practice, science, and finance of the Coinage Department of the Government, and about this time he wrote the Coinage Act of 1873, and secured its passage through Congress. General Grant, then President, considered him as the fittest man to organize the new Bureau, and, though a Democrat, appointed him first Director under the new Act; the Director being at the head of all the Mints and Assay Offices in the United States.