Hemingray Insulator Profile: CD 1030  
This is an uncommon style with five different variations of bases and methods to affix the insulator. (See related patent). 

Dimensions: 3 11/16" H x 2 5/8" W
Primary
Embossing:
NO EMBOSSING
Years Produced:
c.1930s
Rarity Scale (1-10): Rare (7)
Mold Variations Collapse
[010] Variant
This variant has the knurled, threaded insert.
[030] Variant
This variant has a machine screw embedded in the base (compare to the [020] variant, shown at the top of the page, that has a lag screw).
[040] Variant
This variant has a slotted base and round eyelet hole.
[050] Variant
This variant has a slotted base and standard square eyelet hole.
Known Embossings (5) Collapse
 
NO EMBOSSING [010] [No embossing] {Knurled, threaded insert} {Hemingray product} SB < MOST WANTED! 
NO EMBOSSING [020] [No embossing] {Lag screw in base} {Hemingray product} SB < MOST WANTED! 
NO EMBOSSING [030] [No embossing] {Machine screw in base} {Hemingray product} SB < MOST WANTED! 
NO EMBOSSING [040] [No embossing] {Slotted base; round hole} {Hemingray product} SB < MOST WANTED! 
NO EMBOSSING [050] [No embossing] {Slotted base} {Hemingray product} SB < MOST WANTED! 

The following embossings were removed from the price guide because they could not be verified to exist:

Unverified Embossings
Year Removed





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Insulator photo courtesy of Bill Meier from www.insulators.info and used with permission.

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