Pictures 8 Andalusia Mansion - Nicholas Biddle Estate, Andalusia Pennsylvania Tweet 1968 BEDROOM MANTLEPIECE, EAST SIDE OF CENTRAL PORTION OF HOUSE, SECOND FLOOR 1968 NICHOLAS BIDDLE (1786-1844), PAINTED 1826-1828 BY THOMAS SULLY 'BEFORE' MAIN HOUSE, CA. 1834 WATERCOLOR BY THOMAS U. WALTER 'AFTER' MAIN HOUSE, CA. 1834 WATERCOLOR BY THOMAS U. WALTER ANDALUSIA IN OIL, DATE AND ARTIST'S NAME UNKNOWN 1968 BARED MASONRY WALL USED TO FASTEN CLAPBOARDS. THE WOODEN VERTICAL MEMBER IS A STUD. THE WOODEN BLOCK IS A MORTISE-AND-TENON JOINT.