Here is a nice circular Equation of Time after Carey of London. The PDFs can be printed directly:

• Circular EofT (after Carey) [Converted]
• Termination Scrolls (after Carey)
• Hand feathering rings

The Adobe Illustrator files can be used if you want to modify the designs:

• Circular EofT (after Carey) [Converted]
• Termination Scrolls (after Carey)
• Hand feathering rings

These alternative borders are available in Adobe Illustrator and PNGs with transparent backgrounds for easy incorporation:

Oak Leaf
AI: Oak Leaf Border
PNG:

Broken Key
AI: Broken key border
PNG: