Dominion Glass Telegraph Insulator – Clear Vintage Canadian Utility Collectible

A genuine piece of early Canadian electrical history. This clear glass Dominion telegraph/power‑line insulator features the classic rounded dome, thick glass construction, and crisp embossed markings including DOMINION, the diamond‑D logo, and the mold number 42. Produced by Dominion Glass Company (Canada), these insulators were used on telegraph, telephone, and early hydro lines—now prized by collectors, decorators, and lovers of industrial heritage.

Key Features

• Authentic Dominion Glass Co. insulator with embossed logo and numbering

• Clear glass in a slightly smoky color with excellent clarity—ideal for display, upcycling, or photography

• Classic dome profile with smooth contours and heavy base

• Perfect for collectors, rustic décor, shelf styling, or garden lighting projects

• Durable, solid, and historically significant—a true Canadian utility artifact

Condition

Clean, clear, and well‑preserved with expected minor vintage character. No cracks. Displays beautifully, rare excellent condition.

Great For

• Industrial & farmhouse décor

• Shelf styling and bookcase accents

• Upcycled lighting projects

• Telegraph/insulator collectors

• Canadian historical memorabilia enthusiasts