CD 100-144

Side wire groove - Single petticoat

CD 133.1

CD 133.1

Size: 63mm x 92mm (2.5" x 3.625")

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Years produced: c.1880s
Style (CD) scarcity: 8, 1,000+ but desirable color/markings
Intended use: Telegraph
Style / catalog number: 3
Number of unique insulators:
28

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?

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Apple Green

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Aqua

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Green

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Green w/ Milk Swirls

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Lavender

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Light Aqua

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Light Green

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Light Hemingray Blue

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Off Clear

PATENT - DEC. 19, 1871

[010]

(DO) (E or H) (FS) PATENT/DEC. 19. 1871 (RS) 3

SB

Purple Tint

PATENT - DEC. 19, 1871

[020]

(DO) E (FS) PATENT/EC. 19. 1871 (Note spelling) (RS) 3

SB

Aqua

PATENT - DEC. 19, 1871

[020]

(DO) E (FS) PATENT/EC. 19. 1871 (Note spelling) (RS) 3

SB

Ice Green

PATENT - DEC. 19, 1871

[020]

(DO) E (FS) PATENT/EC. 19. 1871 (Note spelling) (RS) 3

SB

Light Aqua

PATENT - DEC. 19, 1871

[020]

(DO) E (FS) PATENT/EC. 19. 1871 (Note spelling) (RS) 3

SB

Teal Blue

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Apple Green

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Aqua

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Blue Aqua

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Clear

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Green

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Hemingray Blue

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Light Green

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Light Green Aqua

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Light Purple

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Lime Green

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Off Clear

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Purple Tint

PATENT - DEC. 19, 1871

[030]

(FS) PATENT/DEC. 19. 1871 (RS) 3/(A, B, C, D or Backwards D)

SB

Sky Blue

PATENT - DEC. 19, 1871

[040]

(FS) PAT/ENT/DEC. 19. 1871 (The / in PAT/ENT is a character, not a break in the line -- it may be a T over a 7) (RS) 3/A

SB

Light Green

  • [030] - Apple Green

    PATENT - DEC. 19, 1871

    [030]

    Apple Green

  • [030] - Purple Tint

    PATENT - DEC. 19, 1871

    [030]

    Purple Tint

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