Ribs/Columns;
DUNCAN, GEORGE & SONS No. 1001 (OMN)
• AKA:
Duncan, George & Sons (Pittsburgh-PA, Company Operated: 1874-1891), Introduced: c1886 Introduced
• NOTE: Design looks much like No. 900 with squares added into the oval window.
• Motifs: (Ribs/Columns), (Squares/Rectangles)