Possible Clues:

• Curved molding
• Old book primarily on architectural moulding
• Thumb small book with two rings binding
• Thumb small volume in old bindings
• Order nos. 05050/0, for decorative moulding
• Moulding: two round shapes enclosing small volume
• Decorative moulding - very long, with circles in and around
• Thumb through small book with old ring binding
• Round convex moulding
• Convex moulding with cross-section resembling an ellipse