Hemingray Insulator Profile: CD 242  
The Hemingray No.66 is the middle size in a series of three power insulators produced by Hemingray in the 1920's. Other insulators in the series: No.88 (CD 243) and No.23 (CD 241). It was numbered "66" due to its voltage rating, 6600-8800 volts.  

Dimensions: 3 1/4" H x 5" W
Years Produced:
Style Number:66
Rarity Scale (1-10): Very Uncommon (6)
Usage: Power
Voltage Rating: 6600-8800 Volts
Known Embossing Collapse
HEMINGRAY [010] (F-Skirt) HEMINGRAY - 66 (R-Skirt) MADE IN U.S.A. SDP 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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