National Insulator Association (NIA) logo

Glass Insulators from outside

North America 

The following abbreviations and conventions are used on this site:

Thumbnail insulator pictures:

Insulator measurements:  Measurements in inches and millimeters

Marking conventions:

Nicknames: 

Many unique styles have been given nicknames by the collecting community - here are some examples:

Gingerbread man

Spook

Noser

T-bar

Robot

Bustle

Frog

Considerations on contributing pictures to the site:

If you are willing to help improve this site by contributing information and pictures, please consider the following information - send pictures & information to webmaster

Picture requirements:

Additional information - Along with the pictures we need


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