Peter F. Rothermel (American, 1817-1895) A steel engraving depicting the United States Senate and Henry Clay’s Compromise of 1850. Published in Philadelphia in 1855 by John M. Butler and Alfred Long and engraved by R. Whitechurch. With period aquatint and in period gilt American spotted cove frame with applied ornament and original glazing. sight: 33 ½ by 27 inches frame: 41 ¼ by 35 inches