Hemingray Insulator Profile: CD 295  
This high voltage style is identical to the CD 237 in every respect except that this style has three petticoats instead of two, and therefore has a higher voltage rating. 

Dimensions: 4" H x 4 3/4" W
Primary
Embossing:
HEMINGRAY
Years Produced:
c.1900s-1930s
Style Numbers:4 High Voltage, 72, 72 High Voltage, 72.A, 720
Rarity Scale (1-10): Fairly Common (4)
Usage: High Voltage
Voltage Rating: 11,000 Volts
Mold Variations Collapse
[085] Tall Variant
This variant has an extended outer skirt which makes it 1/2" taller than normal. This only appears with the [085] embossing.
72.A Wide Groove Variant
This wide groove mold variant has a wider saddle groove to accomodate a larger wire. These wide groove styles are all denoted by the "A" appended to the end of the style number.
Known Embossings (11) Collapse
 
HEMINGRAY [010] (F-Skirt) HEMINGRAY - 72 (R-Skirt) MADE IN U.S.A. RDP Photo
HEMINGRAY [015] (F-Skirt) HEMINGRAY - 72 (R-Skirt) MADE IN U.S.A. SDP < WANTED! 
HEMINGRAY [030] (F-Skirt) HEMINGRAY - 72.A (R-Skirt) MADE IN U.S.A. {Wide saddle groove} RDP Photo
HEMINGRAY [040] (F-Skirt) HEMINGRAY - 72.A/[Numbers and dots] (R-Skirt) MADE IN U.S.A./[Number] {Wide saddle groove} RDP Photo
HEMINGRAY [050] (F-Skirt) HEMINGRAY - 72.A/[Number] (R-Skirt) MADE IN U.S.A. {Wide saddle groove} RDP < WANTED! 
HEMINGRAY [060] (F-Skirt) HEMINGRAY - 72/[Numbers] (R-Skirt) MADE IN U.S.A. RDP Photo
NEW! HEMINGRAY [065] (F-Skirt) HEMINGRAY-720/LOWEX (R-Skirt) MADE IN U.S.A./[Numbers and dots] RDP < WANTED! 
HEMINGRAY [070] (F-Skirt) HEMINGRAY/PATENTED MAY 2 1893 (R-Skirt) HIGH VOLTAGE/MADE IN U.S.A./['TRIPLE PETTICOAT' blotted out]/Nº 72/['4' blotted out] SDP Photo
HEMINGRAY [080] (F-Skirt) HEMINGRAY/PATENTED MAY 2 1893 (R-Skirt) HIGH VOLTAGE/TRIPLE PETTICOAT/Nº 4 SDP Photo
HEMINGRAY [085] (F-Skirt) HEMINGRAY/PATENTED MAY 2 1893 (R-Skirt) HIGH VOLTAGE/TRIPLE PETTICOAT/Nº 4 {Tall variant; 1/2" extended outer skirt} SDP Photo
HEMINGRAY [100] (F-Skirt) HEMINGRAY/PATENTED MAY 2 1893 (R-Skirt) HIGH VOLTAGE/TRIPLE PETTICOAT/Nº 72/['4' blotted out] SDP Photo

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

Unverified Embossings
Year Removed
HEMINGRAY [020] (F-Skirt) HEMINGRAY-72 (R-Skirt) MADE IN U.S.A. / [Number] SB 2003
HEMINGRAY [090] (F-Skirt) HEMINGRAY / PATENTED MAY 2 1893 (R-Skirt) HIGH VOLTAGE / TRIPLE PETTICOAT / Nº72 SDP 2003





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