Hemingray Insulator Profile: CD 317.8/313/313/313.1  
This Hemingray insulator is a unique 4-piece multipart. It bears a June 10, 1902 patent date (see patent), which matches catalog drawings of a similar insulator called the "Covington Type." This was discovered by a Hemingray employee in the Hemingray Dump in the 1960s along with several other one-of-a-kind Hemingrays. (Read the article here.) 

Dimensions: ?" H x 10 3/4" W
Primary
Embossing:
PATENT - OTHER
Years Produced:
c.1902
Style Numbers:Section 1, Section 2
Rarity Scale (1-10): Unique (10)
Usage: High Voltage
Hobby Nickname: Covington Type
Known Embossing Collapse
 
PATENT - OTHER [010] {317.8 Top} (F-Skirt) "SECTION 1" (R-Skirt) PATENTED JUNE 10 1902

{313 Sleeve} [010] (F-Skirt) HEMINGRAY (R-Skirt) PATENT MAY 2 1893

[020] (F-Skirt) "SECTION 2" (R-Skirt) HEMINGRAY PATENT MAY 2 1893

{313.1 Sleeve} [No embossing] {Hemingray product}
SDP < 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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