Hemingray Insulator Profile: CD 185  
The mine insulator is a fairly uncommon style. In addition to offering these under the Hemingray No.95 style number, Hemingray also manufactured these for Jeffrey Mfg. Co. The Jeffrey Mine Insulators are unique for their large amount of embossing on the piece, in addition to drip points sometimes appearing on the "top" of the insulator. 

Dimensions: 3 1/2" H x 2 7/8" W
Primary
Embossings:
• HEMINGRAY
• JEFFREY MFG. CO.
• MINE INSULATOR
Years Produced:
c.1894-1920s
Style Number:95
Rarity Scale (1-10): Uncommon (5)
Trade Name: Mine Insulator
Known Embossings (11) Collapse
 
HEMINGRAY [010] (F-Skirt) HEMINGRAY (R-Skirt) Nº 95 SB < WANTED! 
HEMINGRAY [020] (F-Skirt) HEMINGRAY (R-Skirt) Nº 95 SDP Photo
HEMINGRAY [030] (F-Skirt) HEMINGRAY-95 (R-Skirt) MADE IN U.S.A. SDP < WANTED! 
HEMINGRAY [040] (F-Skirt) HEMINGRAY-95 (R-Skirt) MADE IN U.S.A./['HEMINGRAY-95' blotted out] SDP Photo
JEFFREY MFG. CO. [001] (F-Above wire groove) S/SPECIAL MINE INSULATOR/JEFFREY MFG.CO. (F-Skirt) COLUMBUS OHIO/PATENT SEPT. 25 1894. {Drip points may be on the top or on the bottom of the insulator} SDP Photo
JEFFREY MFG. CO. [007] (F-Above wire groove) SPECIAL MINE INSULATOR/JEFFREY MFG.CO. (F-Skirt) COLUMBUS OHIO/PATENT APPLIED FOR SB < WANTED! 
JEFFREY MFG. CO. [010] (F-Above wire groove) SPECIAL MINE INSULATOR/JEFFREY MFG.CO. (F-Skirt) COLUMBUS OHIO/PATENT SEPT 25 1894 SB < WANTED! 
JEFFREY MFG. CO. [020] (F-Above wire groove) SPECIAL MINE INSULATOR/JEFFREY MFG.CO. (F-Skirt) COLUMBUS OHIO/PATENT SEPT 25 1894 {Drip points may be on the top or on the bottom of the insulator} SDP Photo
JEFFREY MFG. CO. [030] (F-Above wire groove) SPECIAL MINE INSULATOR/JEFFREY MFG.CO. (F-Skirt) COLUMBUS OHIO/PATENT SEPT 25 1894/['APPLIED FOR' blotted out] SB Photo
JEFFREY MFG. CO. [040] (F-Above wire groove) SPECIAL MINE INSULATOR/JEFFREY MFG.CO. {Many varieties of blot outs and spelling errors at the end of 'INSULATOR'} (F-Skirt) COLUMBUS OHIO/PATENT SEPT 25 1894 {Drip points may be on the top or on the bottom of the insulator} SDP < WANTED! 
MINE INSULATOR [010] (F-Skirt) MINE/INSULATOR 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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