Gallup-Silkworth Co., 1974 Year 1974 Rights Held By Ann Arbor District Library Copyright Creative Commons (Attribution, Non-Commercial, Share-alike) Ann Arbor Historical Signs Photo Subjects Host Rent-A-Car Warehouse Tire Signs & Signage Gallup-Silkworth Co. Businesses Automobiles - Repair & Maintenance Automobiles - Parts & Supplies Ann Arbor Historical Signs 120 W. Huron St