Antique 1800s Bradley & Hubbard B&H Pull Down Oil Lamp Motor Mechanism Parts. Antique 19th-century pull-down oil lamp motor mechanism and parts. This original mechanism features ornate. Used in late-1800s oil lamps. Collectors of antique lighting, or decorative display. Please note this listing is for the. Mechanism and parts only. No glass shade, font, or burner included. Antique condition consistent with age (circa 1800s). Visible wear, patina, oxidation, and surface loss. Chain and internal components present as shown. As-is for restoration or parts. No cracks or major breaks observed in metal structure. Please review all photos carefully as they are part of the description. Bradley & Hubbard (founded 1852, Meriden, Connecticut) is renowned for high-quality oil lamps and decorative metalwork. Original B&H pull-down mechanisms are increasingly difficult to find and are sought after by restorers and antique lighting collectors.