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CD 104
  • New Eng. Tel. & Tel. Co. Style
    Note the sharp edges and angles, and the tight arc of the embossing. About two dozen of these have been attributed to Hemingray.
  • December Patent Style
    The December Patent style was originally listed as CD 104, was moved to its own CD (124.1) after 1999, and reassigned back to CD 104 in the 2019 price guide. Photo credit Bill Meier of Insulators.info.
Insulator Facts

Dimensions:3 5⁄8" H × 2 1⁄2" W
Primary Embossings: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.
Years Produced: c.1871-1880s
Style Identifier: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.
4
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)
Rare (7/10)
Usage: Telegraph
Hobby Nickname: Baby Beehive
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.
$20-5000 (Typical: $50)
Please Note: This insulator style was also made by other manufacturers, not just Hemingray. This page will only detail the specific variant(s) manufactured, or suspected to be manufactured, by Hemingray.
Insulator Overview

Two very different styles of CD 104 were produced by Hemingray. The earliest style is embossed with PATENT DEC. 19. 1871. This design was the first of several Hemingray styles to use the No.4 style number, later followed by CD 124.2, 124.3 and finally 124. This style was reassigned to CD 124.1 in 1999, but reassigned back to CD 104 in 2019.

The second, later design was manufactured for New England Telephone & Telegraph Co. While these were commonly manufactured by Brookfield and possibly other glass companies, only a couple dozen or so have been attributed to Hemingray. Note the sharp upper edge of the wire groove and the tight arc of the embossing.

Related Links:
Known Embossings (2)
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.
NEW ENG.TEL.&TEL.CO. [075] (F-Skirt) (Arc) NEW ENG. TEL & TEL. / CO. {Hemingray product} SB 2003 Photo
PATENT - DEC. 19, 1871 [010] (F-Crown) PATENT/DEC.19.1871 (R-Crown) 4 {Previously CD 124.1}
Note: This embossing was originally listed as CD 104, was moved to its own CD (124.1) after 1999, and reassigned back to CD 104 in the 2019 price guide.
SB - No PhotoWANTED
($1000 Reward)
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 (11)
ColorThe color of the insulator.
Aqua
Blue
Blue Aqua
Green Aqua
Ice Aqua
Ice Green
Light Aqua
Light Purple
Off Clear
Purple Tint
Yellow Green