Vintage Hemingray H.G.CO Aqua Blue Glass Insulator CD 162 Telegraph Utility

This vintage Hemingray H.G. Co aqua glass insulator is a classic piece of early American telecommunication history, widely collected for its distinctive color, durability, and iconic shape. Designed to support and insulate telegraph and telephone wires, this piece represents the expansion of communication infrastructure across the United States.

This insulator is pre-owned and shows authentic age-related wear including surface scuffs, internal bubbles, and light mineral residue from long-term outdoor use. There are visible straw marks, manufacturing lines, and natural imperfections consistent with early glass production. No major structural damage noted, with solid display integrity.

Crafted from thick molded glass, it features a rich aqua-blue coloration with strong light refraction. The embossing “H.G. CO” identifies it as a Hemingray Glass Company product, one of the most recognized manufacturers of insulators. The threaded interior and skirted design are typical of CD 162 style insulators, making it both functional in its era and highly decorative today.

Hemingray was one of the largest producers of glass insulators in the United States, supplying millions of units for telegraph and telephone lines from the late 1800s into the mid-20th century.

This piece is ideal for collectors of antique glass, railroad and utility memorabilia, or anyone seeking a unique industrial decor accent with historical significance. Its color, clarity, and embossing make it a desirable addition to any collection.

All visible details have been carefully reviewed to ensure accuracy.

Did you know? Hemingray insulators are among the most widely collected antique glass items, with subtle variations in embossing and color significantly affecting value.

This is an authentic Hemingray item. Hemingray is a trademark of its owner. California Auction Company is not affiliated with or endorsed by Hemingray.