Hemingray Insulator Profile: CD 263  
This style is nicknamed the "Columbia". It was officially Hemingray No.64 in the 1915 Western Electric catalog, but no specimens exist embossed with this style number. The May 12, 1891 patent embossed on this insulator is for design of the eyes for the tie wire (see patent). 

Dimensions: 5 1/8" H x 4" W
Primary
Embossing:
HEMINGRAY
Years Produced:
c.1891-1915
Style Number:Columbia
Rarity Scale (1-10): Uncommon (5)
Trade Name: Columbia Double Petticoat
Hobby Nickname: Columbia
Voltage Rating: 6,600 Volts
Known Embossings (2) Collapse
 
HEMINGRAY [020] (F-Skirt) HEMINGRAY (R-Skirt) PAT'D. MAY 12 1891/COLUMBIA SB Photo
HEMINGRAY [030] (F-Skirt) HEMINGRAY (R-Skirt) PAT'D. MAY 12 1891/COLUMBIA SDP

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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