Hemingray Insulator Profile: CD 1087  
This is one of the many break knob style spools produced by Hemingray. It was originally the No.7 spool and was later renumbered to No.107. This is one of only two break knob spools that is actually embossed with the "Hemingray" name, making it easy to identify as a Hemingray product. See also CD 1104. Earlier versions are unembossed. 

Dimensions: 1 7/8" H x 2" W
Primary
Embossings:
• HEMINGRAY
• KNAPP
• NO EMBOSSING
Years Produced:
c.1900s-1920s
Style Number:107
Rarity Scale (1-10): Fairly Common (4)
Usage: Break Knob Spool
Known Embossings (3) Collapse
 
HEMINGRAY [010] (F-Below wire groove) HEMINGRAY/107 (R-Below wire groove) MADE IN/U.S.A. SB Photo
KNAPP [010] (F-Skirt) M A KNAPP (R-Skirt) CHICAGO ILL SB < WANTED! 
NO EMBOSSING [010] [No embossing] SB Photo

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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