Hemingray Insulator Profile: CD 186.2  
This oddity is one of the rare experimental styles based off a modified mold of CD 162. It has a six-sided nut with machine threading embedded in the dome, and a hole through the dome. This unique design was patented on January 8, 1946 by Alwin G. Steinmayer as a "Spark Gap Insulator" (see related patent). There were two others in this experimental "family": the CD 186 and CD 186.1

Dimensions: 3 7/8" H x 3 1/4" W
Primary
Embossing:
HEMINGRAY
Years Produced:
1940
Style Number:19
Rarity Scale (1-10): Rare (7)
Hobby Nickname: The Nut
Known Embossing Collapse
 
HEMINGRAY [010] (F-Skirt) HEMINGRAY-19/[Number and dots] (R-Skirt) MADE IN U.S.A./[Number] SB Photo

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

Unverified Embossings
Year Removed


CD 186.2 Insulators for Sale
Photos (click to enlarge) Description / Condition Color Current Price
Guide Value
Sale Price
PhotoPhoto CD 186.2 Hemingray [010]

A very rare style for CD and Hemingray collectors! This particular piece was from the Milholland collection. Condition is very clean and near mint, with only one pinky nail flake on the rear skirt and a couple of tiny scuffs above it. Base is also slightly out of round which gives it some nice character.
Clear $700-800 $650
SOLD!



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