CD 100-144

Side wire groove - Single petticoat

CD 124

CD 124

Size: 63mm x 95mm (2.5" x 3.75")

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Years produced: c.1880s-1910s
Style (CD) scarcity: 8, 1,000+ but desirable color/markings
Intended use: Telephone
Style / catalog number: 4, 13
Number of unique insulators: 39

Primary Embossing = Embossing on the front of the insulator, usually is that manufacturers name or the customers name. No embossing units will be noted as NO EMBOSSING. Units with no name but with numbers or letters will be noted as NO NAME.

Examples:
HEMINGRAY
S.B.T.&.T.Co
NO NAME
NO EMBOSSING

EIN = Embossing Index Number is a standardized way to identify each unique embossing.

(FS) = Front Skirt
(RS) = Rear Skirt
(DO) = Dome
(CR) = Crown
(FC) = Front Crown
(RC) = Rear Crown
(BG) = Between Grooves
(FA ) = Front, Above wire groove
(FB) = Front, Below wire groove
(BE) = Base Embossed
(FU) = Front Umbrella
(RU) = Rear Umbrella
(FCE) = Front Center
(RCE) = Rear Center
(TE) = Top Ear
(TOP) = Top of Pinhole
/ = Next line of embossing

There are unique characteristics of the insulator that are not related to the embossing, but is worth noting.

Examples:
Factory molded brass bushing
Flaired skirt
MLOB = Mold Line Over Base
Waffle top
Wide saddle groove

Base = the bottom of the insulator. It is noted in the following standardized ways.

SDP = Sharp Drip Points
RDP = Round Drip Points
CB = Corrugated Base
SB = Smooth Base

= Insulator has been verified that exists
= Insulator has been verified that exists, but not listed in the "guide"
= Insulator has not yet been verified as existing
= Suspected error listing in the "guide" because listing does not match up with known manufacturing practices. Such as numbers and dots on an aqua insulator, or insulators listed with both factory molded brass bushing and without. Many do not come in both configurations and are listed as coming in both. Etc.

Color = The approximate color of the insulator. Due to manufacturing variations, insulators with the same color name maybe slightly different in actual appearance.

Primary Embossing EIN Embossing Special Features Base Color Verified?

HEMINGRAY

[010]

(DO) (Solid circle) (FS) A/HEMINGRAY/NO 4 (RC) PAT.DEC. 19. 1871 (RS) 4/PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[010]

(DO) (Solid circle) (FS) A/HEMINGRAY/NO 4 (RC) PAT.DEC. 19. 1871 (RS) 4/PATENT/MAY 2 1893

SDP

Light Aqua

HEMINGRAY

[010]

(DO) (Solid circle) (FS) A/HEMINGRAY/NO 4 (RC) PAT.DEC. 19. 1871 (RS) 4/PATENT/MAY 2 1893

SDP

Light Green

HEMINGRAY

[030]

(FC) 4 (FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[040]

(FC) 4 (Backwards number) (FS) (Vertical bar)/HEMINGRAY/NO 4 (RS) (Crescent blotted out)/PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[040]

(FC) 4 (Backwards number) (FS) (Vertical bar)/HEMINGRAY/NO 4 (RS) (Crescent blotted out)/PATENT/MAY 2 1893

SDP

Light Blue Aqua

HEMINGRAY

[050]

(FS) A/HEMINGRAY/NO 4 (RC) PAT.DEC. 19. 1871 (RS) 4/PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[050]

(FS) A/HEMINGRAY/NO 4 (RC) PAT.DEC. 19. 1871 (RS) 4/PATENT/MAY 2 1893

SDP

Light Aqua

HEMINGRAY

[060]

(FS) HEMINGRAY/4/NO 4 (RC) PAT.DEC. 19. 1871 (RS) PATENT/A/MAY 2 1893

SDP

Aqua

HEMINGRAY

[070]

(FS) HEMINGRAY/NO 13/(4 blotted out) (RS) PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[070]

(FS) HEMINGRAY/NO 13/(4 blotted out) (RS) PATENT/MAY 2 1893

SDP

Blue Aqua

HEMINGRAY

[070]

(FS) HEMINGRAY/NO 13/(4 blotted out) (RS) PATENT/MAY 2 1893

SDP

Hemingray Blue

HEMINGRAY

[070]

(FS) HEMINGRAY/NO 13/(4 blotted out) (RS) PATENT/MAY 2 1893

SDP

Light Aqua

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Aqua w/ Amber Swirls

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Blue Aqua

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Dark Yellow Green

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Emerald Green

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Green

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Light Aqua

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Light Blue

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Milky Aqua

HEMINGRAY

[080]

(FS) HEMINGRAY/NO 4 (RS) PATENT/MAY 2 1893

SDP

Olive Green

HEMINGRAY

[085]

(FS) HEMINGRAY/NO 4 (GR engraved over an IN) (RS) PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[090]

(FS) HEMINGRAY/NO 4 (Backwards number) (RS) PATENT/MAY 2 1893

SDP

Aqua

HEMINGRAY

[090]

(FS) HEMINGRAY/NO 4 (Backwards number) (RS) PATENT/MAY 2 1893

SDP

Green

HEMINGRAY

[090]

(FS) HEMINGRAY/NO 4 (Backwards number) (RS) PATENT/MAY 2 1893

SDP

Olive Green

PATENT - DEC. 19, 1871

[010]

(DO) (Solid circle) (FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Aqua

PATENT - DEC. 19, 1871

[010]

(DO) (Solid circle) (FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Light Green

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Aqua

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Clear

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Cornflower Blue

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Green Tint

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Ice Green

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Light Aqua

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Light Blue

PATENT - DEC. 19, 1871

[020]

(FC) PAT.DEC. 19. 1871 (FS) 4 (RS) A

SB

Light Green

PATENT - DEC. 19, 1871

[030]

(FC) PAT.DEC. 19. 1871 (FS) A (RS) 4

SB

Aqua

PATENT - DEC. 19, 1871

[030]

(FC) PAT.DEC. 19. 1871 (FS) A (RS) 4

SB

Light Aqua

  • [070] - Blue Aqua

    HEMINGRAY

    [070]

    Blue Aqua

  • [080] - Aqua with Amber

    HEMINGRAY

    [080]

    Aqua with Amber

  • [020] - Clear

    PATENT - DEC. 19, 1871

    [020]

    Clear

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