Premier Live Antique & Taxidermy Auction Saturday, 7 March 2026 / 11:00 am start
Vintage Port Side Copper & Brass Ship's Lantern w Fresnel Lens & Marked "Dioptric Red"
Current Bid $200 (29 bids, reserve met)
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Lot Details
Dimensions: 440mm x 300mm "Dioptric Red" Lens: The lens is made of heavy, molded, ruby-red Fresnel glass with concentric rings that concentrate the flame's light, making it brighter and visible from further distances Material: usually constructed from solid brass (sometimes with copper), often with protective cage bars covering the glass Purpose: The red color signifies the port side of a vessel, used for navigation to prevent collisions at night Markings: "Dioptric" indicates it uses Fresnel optics, often produced by prominent 19th-Century lighting manufacturers (e.g., Chance Brothers, or American makers around the 1920s–1930s).
