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CD 238
Hemingray D-514
Insulator Facts

Dimensions:4 1⁄4" H × 5 1⁄2" W
Primary Embossing:The Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
HEMINGRAY
Years Produced: c.1930s-1950s
Style Identifiers:Hemingray often used style numbers, letters, words, or a combination to differentiate their insulator styles (such as: T.S., E2, № 1 Provo Type, Muncie Type, etc.) These are often, but not always, embossed on the insulator.
D-514, 514
Rarity Scale 0. No specimens known
1. Extremely Common (millions known)
2. Very Common
3. Common
4. Fairly Common
5. Uncommon
6. Very Uncommon
7. Rare (dozens known)
8. Very Rare (less than a dozen known)
9. Extremely Rare (2 or 3 known)
10. Unique (only one known)
Common (3/10)
Usage: Power (Primary Distribution)
Series:510
Voltage Rating: 17,500 Volts
Value Range: This is an estimated value range only, based on historical hobby collecting data. Insulator values vary widely depending on many factors, including embossing, color, condition, mold variations, manufacturing anomalies, and other attributes. Please visit the Hemingray Values page for more information.
$5-500
Insulator Overview

This style is the second largest size in the 510 power series, dwarfed only by the experimental CD 301.5 (Hemingray-515). These were used for primary power distribution. Many amber specimens have been dug from the Hemingray dump, and some have a brass bushing embedded in the threads. The CD 238.1 is believed to be the earliest version of this design.

Related Links:
Known Embossings (12)
Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year AddedThis is the year that this embossing was officially recognized and added to the McDougald (1991-2008) or Briel (2011-2023) insulator price guides. It is not necessarily the year this embossing was discovered.
Photo
Status = In my collection

If the value in this column says WANTED, then that specific insulator is on my wanted list! If you have that insulator and would like to sell it, click on the WANTED link to submit photos and contact me.
HEMINGRAY [010] (F-Skirt) HEMINGRAY - 514 (R-Skirt) MADE IN U.S.A./[# and dots] CB - Photo
HEMINGRAY [020] (F-Skirt) HEMINGRAY - 514 (R-Skirt) MADE IN U.S.A./[#] SB - No PhotoWANTED
($100 Reward)
HEMINGRAY [030] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A./['LOWEX/REG. IN U.S. PAT. OFF.' blotted out] (R-Skirt) [#]/D-514 CB - Photo
HEMINGRAY [040] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U S A {Note no periods} (R-Skirt) [#]/D-514 SB - No Photo-
HEMINGRAY [042] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U S A {Note no periods} (R-Skirt) [#]/D-514 {A brass bushing molded into the pinhole with a square at the top} SB 2015 Photo
HEMINGRAY [050] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-514 CB - No Photo-
HEMINGRAY [060] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-514 SB - No Photo-
HEMINGRAY [062] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-514 {A brass bushing molded into the pinhole with a square at the top} SB 2015 No Photo-
HEMINGRAY [070] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [#]/D-514 CB - No Photo-
HEMINGRAY [080] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [#]/D-514 SB - No Photo-
HEMINGRAY [082] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [#]/D-514 {A brass bushing molded into the pinhole with a square at the top} SB 2015 Photo
HEMINGRAY [090] (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A./LOWEX/REG. IN U.S. PAT. OFF. (R-Skirt) [#]/D-514 SB - Photo
Removed Embossing

The following embossing(s) were removed from the price guide because they could not be verified to exist, were consolidated with other embossings, or were otherwise ambiguous/inaccurate. They are preserved here for historical purposes.


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Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year Removed
n/a
Known Colors (8)
ColorThe color of the insulator.
Clear
Dark Honey Amber
Green Tint
Honey Amber
Ice Blue
Light Honey Amber
Light Straw
Off Clear