Lotus or Tulip Slag Glass Pendant Lamp
Decorative Art / Lighting Fixture • Attributed to an American manufacturer such as Bradley & Hubbard, Miller Lamp Company, or Chicago Mosaic Lamp Co.
Style & Movement
Arts and Crafts / Art Nouveau transition.
Medium & Technique
Slag glass (marbleized glass) with patinated cast metal (likely spelter or bronze-finished white metal) and leaded or metal-channel construction.
Creation Period
Early 20th Century, approximately 1910–1930.
Dimensions & Format
Approximately 18–24 inches in diameter; circular/radial format.
Subject Description
A multi-panel floral-inspired lampshade featuring curved caramel or amber slag glass panels arranged in a petal-like configuration. The metal casting features floral flourishes and beaded edging.
Condition & Value Assessment
Condition Assessment
Fair to Good. The glass appears intact, but the metal hardware shows significant oxidation, dust accumulation, and surface wear consistent with age.
Estimated Market Value
$400 - $800 USD
Auction Estimate
$300 - $600 USD
Provenance History
Likely residential domestic use; no visible stamps or labels in the photograph, though typically found on the interior rim or heat cap.
Art Historical Significance
Represents the democratization of stained glass lighting following the influence of Tiffany Studios. These 'slag' lamps were popular in American middle-class homes during the early 20th century.
Notable Features
Highly figured caramel slag glass with dramatic 'swirl' patterns and ornate cast-metal decorative mounts at the panel intersections.
Condition Issues
Heavy patina/oxidation on metal, potential loose solder joints, wiring appears original and likely unsafe/degraded, heavy surface grime.
Conservation Recommendations
Professional cleaning of glass panels, gentle stabilization of metal patina, and mandatory rewiring by a specialist for safety.