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Porcelain Insulators from Finland

The porcelain insulators are identified by U-numbers, but in the range of 1000-3999.  The link below is for the reference book that covers these insulators.

Worldwide Porcelain Insulators (Unipart Pin Types)

Insulators from Finland

U-1559

U-1642

U-1683

U-1692

U-2279

U-2300

U-2302

U-2303

U-2965

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