CD 145-184

Side wire groove - Double petticoat

CD 151

CD 151

Size: 88mm x 104mm (3.5" x 4.125")

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Years produced: c.1880s-c.1915
Style (CD) scarcity: 8, 1,000+ but desirable color/markings
Intended use: Telegraph
Style / catalog number: Unknown
Number of unique insulators:
89
Notes: This style is the one shown of the famous May 2, 1893 "Drip Point" Patent (Patent No 496,652)

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?

H.G.CO.

[010]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[010]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Dark Electric Blue

H.G.CO.

[010]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Electric Blue

H.G.CO.

[010]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Ice Aqua

H.G.CO.

[010]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Peacock Blue

H.G.CO.

[020]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Aqua

H.G.CO.

[020]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Peacock Blue

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Electric Blue

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Green

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Light Cobalt Blue

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Light Electric Blue

H.G.CO.

[030]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Peacock Blue

H.G.CO.

[040]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Dark Peacock Blue

H.G.CO.

[040]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Peacock Blue

H.G.CO.

[050]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT/(H.G.CO. blotted out)

SDP

Peacock Blue

H.G.CO.

[060]

(CR) N.A.T.Co. (FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Apple Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Aqua

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Blue Aqua

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Bubbly Clear

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Clear

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Cornflower Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Dark Carnival

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Dark Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Dark Yellow Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Depression Glass Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Forest Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Green Tint

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Hemingray Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Ice Aqua

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Ice Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Jade Green Milk

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Aqua

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Cornflower Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Purple

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Light Steel Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Lime Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Olive Green

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Orange Brown Amber

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Purple

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Purple Tint

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Sapphire Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Smoke

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Teal Blue

H.G.CO.

[070]

(FS) H.G.CO. (RS) PETTICOAT

SB

Yellow Olive Green

H.G.CO.

[080]

(FS) H.G.CO. (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[090]

(FS) H.G.CO./PATENT MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[090]

(FS) H.G.CO./PATENT MAY 2 1893 (RS) PETTICOAT

SDP

Milky Aqua

H.G.CO.

[100]

(FS) H.G.CO./PATENT MAY 2 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Aqua

H.G.CO.

[105]

(FS) H.G.CO./PATENT MAY 2 1893/(Blotted out embossing) (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Clear w/ Purple Swirls

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Dark Blue Aqua

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Hemingray Blue

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Ice Aqua w/ Purple Swirls

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Ice Blue

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Light Green

H.G.CO.

[120]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Purple

H.G.CO.

[125]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Green Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Blue Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Dark Yellow Green

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Gray Purple

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Green

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Hemingray Blue

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Ice Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Ice Aqua w/ Purple Swirls

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Light Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Light Green

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Lime Green

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Milky Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Peacock Blue

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Snowy Light Aqua

H.G.CO.

[140]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

SDP

Yellow Olive Green

H.G.CO.

[150]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Aqua

H.G.CO.

[150]

(FS) H.G.CO./PATD MAY 2ND 1893 (RS) PETTICOAT

Sharp drip points appear only on the outer skirt

SDP

Light Aqua

H.G.CO.

[155]

(FS) H.G.CO./PATD MAY 2ND 1893 (A is missing bar) (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[160]

(FS) H.G.CO./PATD MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[165]

(FS) H.G.CO./(PATENT MAY 2 1893 blotted out) (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[170]

(FS) H.G.CO./(PATD MAY 2 1893 blotted out) (RS) PETTICOAT

SB

Aqua

H.G.CO.

[175]

(FS) H.G.CO./(PATD MAY 2ND 1893 blotted out) (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[175]

(FS) H.G.CO./(PATD MAY 2ND 1893 blotted out) (RS) PETTICOAT

SDP

Green Aqua

H.G.CO.

[180]

(FS) H.G.CO./(PATD MAY 2 1893 blotted out) (RS) PETTICOAT

SDP

Aqua

H.G.CO.

[180]

(FS) H.G.CO./(PATD MAY 2 1893 blotted out) (RS) PETTICOAT

SDP

Green Aqua

PATENT - OTHER

[010]

(FS) PATD MAY 2 1893 (RS) PETTICOAT

SDP

Aqua

1 2 3 4 5 6 7 8 9 10 +

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