A Documented Piece of American Glass History: This exceptional mid-19th-century lamp is a confirmed product of the American Glass Company (also known as the Congress Street Glass Factory) in South Boston. Founded by Patrick Slane, this factory was renowned for its high-quality flint glass and innovative manufacturing techniques.
Provenance & Literature: This specific "Inverted Diamond and Rib" pattern is documented and illustrated in the definitive reference work The Glass Industry in South Boston by Joan E. Kaiser. The pattern features a beautifully blown-molded font with a distinct internal diamond optic and vertical ribbing, joined to a pressed circular base.
The Burner: Unlike common whale oil lamps of the era, this piece is fitted with a period-correct, high-quality double-tube fluid/camphene burner. These "V" shaped burners were designed for the volatile burning fluids of the 1850s.
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Hardware: The brass burner screws securely into the original threaded collar (a superior fit to common plaster-set collars).
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Snuffer Cap: Includes one original brass extinguisher/snuffer cap on its original chain (one missing).
Condition Report
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Glass: The flint glass remains brilliantly clear with no "sick" cloudiness, chips, or cracks.
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Base: The pressed base is in excellent condition with minimal shelf wear consistent with age.
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Burner: The brass has a wonderful aged patina. The screw threads are clean and functional.
Item dimensions: 9.5 in tall × 4 in wide × 4 in deep Â
Weight of item only: 15.7 oz Â
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Item Description and Condition Disclaimer
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