Authentic antique glass insulators — CD-numbered, color-graded, and accurately described for the collector market. Our inventory spans the full range of American telegraph and telephone line insulators, from early petticoat and beehive forms to dome-top and Mickey Mouse CD variants.
Hemingray insulators: Hemingray Patent May 2 1893 petticoat-form insulators in aqua glass, Hemingray No. 40 CD 152 examples, and Hemingray-20 in rare color variants including green-black swirl matte glass. Hemingray Glass Company, Muncie, Indiana dominated American telegraph and telephone line supply for nearly a century — their insulators are the most widely collected form in the hobby.
Brookfield insulators: W. Brookfield, New York CD 145 beehive insulators in aqua, ice blue, and rare emerald green — including marked B and marked dome examples. The beehive CD 145 form is one of the most sought-after Brookfield designs, and examples in colors beyond standard aqua carry a significant premium in the collector market.
Whitall Tatum and specialty forms: Whitall Tatum Co. No. 1 insulators in scarce ice blue from Millville, New Jersey. Armstrong DP-1 clear glass insulators — crystal clarity from mid-century American production. H.G. Co. petticoat forms in green glass, Patent May 2 1893. AM TEL & TEL Co. Elmer, New Jersey in ice green — a genuinely rare embossing from a less common production source.
Lynchburg and rare variants: Lynchburg No. 44 CD 154 in ice blue rare color variants. Early H.C. & Co. aqua-green beehive forms representing pre-threadless era American telegraphy.
Every insulator is described for CD number, manufacturer embossing, specific color tone, drip points, and condition.
Professionally packed for fragile shipment. Ships next business day. Full refund if damaged in transit.
Currently available: the Brookfield CD 145 beehive in aqua ice blue, marked B, the Hemingray petticoat matched pair, Patent May 2 1893, the Whitall Tatum Co. No. 1 in scarce ice blue, and the Lynchburg No. 44 CD 154 ice blue.
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