Creating a mirror-like finish on bronze sculptures requires a combination of meticulous polishing, buffing, and sometimes chemical treatments. Here are the most common techniques used by artists and metalworkers:

1. Sanding and Grinding: Begin with coarse abrasives to remove imperfections, gradually moving to finer grits (up to 2000 or higher) for a smooth surface. Wet sanding can prevent scratches.

2. Polishing Compounds: Use specialized compounds like rouge or tripoli with a soft cloth or buffing wheel to enhance shine. Diamond pastes are also effective for ultra-fine finishes.

3. Power Buffing: High-speed buffing wheels with sisal or cotton pads can quickly achieve a reflective surface. Rotate the sculpture evenly to avoid uneven spots.

4. Chemical Polishing: Solutions like nitric acid or commercial metal brighteners can dissolve micro-scratches, though this requires careful handling.

5. Lacquering or Waxing: Apply a clear lacquer or wax to protect the finish from oxidation and maintain its brilliance over time.

Each method demands patience and precision, but the result is a stunning, reflective surface that highlights the sculpture’s details.