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PLEASE REVIEW PICTURES TO MAKE YOUR OWN CONDITION DETERMINATION.
Up for sale is a beautiful, highly collectible piece of early American telecommunications history. This vintage aqua blue glass insulator was manufactured by the renowned Brookfield Glass Company.
This early style variant showcases distinct, deeply embossed patent information on the dome/skirt:
• PAT. JULY 25 1865 (Louis A. Cauvet’s historical patent for introducing internal screw threads to glass insulators)
• JAN. 25 1870
• FEB. 22 1870
The glass features a rich aqua tint with authentic manufacturing character, including small air bubbles and crude straw marks typical of 19th-century glassmaking. A wonderful addition for any serious glass insulator collector, railroad historian, or rustic antique decor enthusiast.
• Glass Clarity: Excellent color, loaded with nice bubbles and crude factory pouring lines.
• Embossing: The lettering is crisp, clear, and very legible.
• Flaws (Check your item): [No major chips or cracks / Minor flea bites on the base ring / Small surface scratch near the crown]. Please see all high-resolution photos for the exact cosmetic condition.
