Antique CD147 Hemingray Spiral Groove glass telegraph insulator. Good condition.

Manufacturer: Hemingray

Consolidated Design Group: 147

Embossing Front Skirt: PATENTED OCT. 8 1907.

Color: Teal blue-green

Base: Smooth Bottom (SB)

Size: 3 1/8" W (at base) x 4 1/4" H

Trade Name: Spiral Groove

EIN: [040]

Application: Telegraph

Production: 1907 - 1920's
Information Source: hemingray.info

Please use photos as part of the description. Overall good condition with normal use nicks - chips on base.

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